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(Mr. Ng 不推薦使用 Google 翻譯！)
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- Gravity 228
- beanpole 110
- culinary 98
- bobby 183
- unsuitable 712
- witty 212
- pakeha 63
- acculturate 135
- skirmish 103
- flip 179
- talk through 31
- gaudy 152
- islam 67
- embryology 124
- tweak 57
- microsite 47
- mingle 182
- chip and pin 63
- ditzy 139
- megawatt 44
- Irritated 167
- bioprinting 84
- severe 984
- computer game 161
- boil down 124
- superego 52
- tapered 60
- connoisseur 159
- moveable 70
- exertion 217
- nice 324
- preferential 81
- nerve-wracking 191
- smallholding 62
- go down with 81
- thong 65
- townhouse 70
- guiltless 107
- Postpone 83
- speak to 50
- kurd 52
- dissolve into 127
- Pollinate 371
- hen house 73
- hag 125
- the World Wide Fund for Nature 41
- solidarity 277
- salon 192
- calibration 93
- edifice 94
- jalebi 61
- motorcycle 191
- wigging 52
- Breakage 33
- playgroup 74
- desk clerk 117
- replenish 228
- american 107
- peerless 48
- itinerary 254
- break your journey 56
- shipwreck 160
- slowdown 323
- bloating 93
- Giveaway 114
- redirect 120
- detection 561
- alternating current 122
- hang (on) in there 105
- Had 96
- disintegration 111
- clerical 152
- robin 62
- disillusionment 164
- digital camera 120
- walkies 48
- drongo 96
- attainable 159
- nimbyism 60
- serialize 56
- underachiever 154
- Vagabond 110
- ib 60
- shallows 219
- Load 55
- Mobile 90
- blotting paper 121
- cerebral palsy 128
- lothario 46
- invert 164
- spine-chilling 62
- chrome 100
- COO 45
- costume 329
- bassinet 117
- conglomerate 291
- kathakali 60
- intercut 61
- come of age 110
- corned beef 138
- Ye 108
- ravish 72
- consent 1024
- defra 102
- Sullen 167
- Remark 424
- C 71
- four-flusher 82
- Gnarled 14
- mentee 54
- Parent 92
- Tenement 28
- ground cloth 85
- pap 72
- Transformer 29
- Cardiac 140
- dapple-gray 101
- handily 61
- sequencing 47
- soak up 52
- play something by ear 73
- ileum 142
- turn away 97
- hallelujah 107
- crossroads 163
- foul play 120
- oblivion 160
- General words for ceremonies 83
- impenetrable 188
- deadlock 130
- eliminate 686
- amygdala 146
- Cite 288
- conspiracy 307
- battleaxe 92
- ground level 118
- flood plain 134
- indolent 78
- snap 898
- restrict 583
- Cinema and the film industry 46
- snowfield 60
- Danish 59
- keynesian 55
- horrendous 66
- clairvoyant 116
- figure 1043
- Devalue 175
- chief executive 119
- metaphor 377
- haphazard 146
- shrink from 153
- diva 143
- dysentery 136
- cobber 91
- something 263
- biology 611
- orthography 63
- Captivate 105
- frack 179
- literate 191
- shelves 38
- Handwriting and spelling 70
- first aid kit 86
- resourceful 225
- dyke 122
- paternalism 69
- condense 522
- faultfinding 97
- ouma 56
- ponder 346
- pride 782
- desolate 209
- pasty 65
- threesome 52
- classified 94
- dryad 119
- unsuspecting 62
- groundswell 124
- voluptuous 60
- severity 102
- Tally 64
- Words used to describe organized events 56
- comp time 61
- insect 544
- nilotic 51
- low-cut 57
- per 442
- complexioned 102
- in the doghouse 43
- Backpack 79
- nightlife 55
- To search for something or someone 35
- railing 180
- modality 57
- firing squad 121
- china 183
- hiss 404
- totem 58
- unenthusiastic 50
- moonwalk 62
- wild goose chase 52
- Doze 25
- interview 851
- Seldom 119
- gliding 119
- soho 54
- bear 259
- blizzard 179
- first fruits 125
- confessional 116
- airship 82
- psychotic 65
- microbiology 54
- abrogate 132
- Garnish 120
- Average 330
- hayrick 56
- Paid 227
- short cut 171
- regimental 157
- bus shelter 81
- razzle-dazzle 70
- tongue-lash 85
- protease 59
- rioting 200
- cutting 130
- kannada 61
- dialect 675
- fish 430
- insubordination 59
- eel 115
- lemme 48
- inveigle 60
- lender 74
- slander 409
- mess 931
- Science fiction 88
- larger-than-life 54
- pile up 230
- undetected 182
- lifter 55
- Public address systems and equipment for making sounds louder 63
- plasticine 48
- run through 116
- cross-trainer 107
- snot 60
- regency 214
- wartime 49
- bellhop 137
- neuroscience 64
- dial-up 437
- nontransferable 62
- cocktail lounge 88
- honey 707
- gas pedal 124
- bitch 135
- Cyprus 61
- north 136
- test 1957
- give birth (to someone) 53
- sweatpants 34
- Bhutan 101
- psychedelia 44
- crenellated 114
- zonked 59
- linnaean 53
- Transmission 84
- donee 89
- tear apart 76
- aero- 180
- softwood 49
- Bleach 120
- overnight 622
- freeborn 185
- Camera 79
- Addictive 215
- sincerely 214
- Optional 144
- se 134
- metastasis 148
- direct marketing 129
- dominate 576
- Cash in 54
- hairpin bend 155
- drachma 101
- chase 1122
- clapper 117
- judaism 57
- houseparent 42
- providence 56
- change over 109
- compared 122
- Preposterous 123
- troubleshooting 46
- sang 52
- fervour 179
- Flop 178
- fibreglass 85
- fibrous 120
- front-page 100
- surrogate 141
- Aging 152
- Unbalanced 19
- Alchemist 89
- Mold 92
- Likelihood 127
- synonym 166
- out of season 89
- Cypriot 65
- Chess 64
- fog bank 178
- chequebook 116
- in other words 89
- cctv 89
- pimple 68
- NOTWITHSTANDING 84
- toast 1014
- partook 62
- sotho 42
- Entryphone 66
- obligated 187
- imagery 485
- consummate 133
- drive away 136
- advisory 114
- keypal 53
- come across 218
- unpromising 56
- kleenex 50
- Assassin 53
- Relationships and membership of social groups 122
- Sheet 132
- muscovite 57
- june 78
- roomful 46
- leastways 42
- wade through 199
- defecate 123
- shiny 62
- Eye-opener 116
- krio 63
- Bumble 81
- Making you feel afraid 135
- deadly 552
- hard-earned 255
- Province 295
- Kazakh 50
- muff 58
- cha-cha 85
- ardor 167
- self-confidence 246
- globe-trot 94
- gentrification 134
- cavern 144
- eye teeth 117
- hard-headed 52
- soldiery 64
- nonacceptance 44
- equal sign 92
- oodles 44
- homoerotic 64
- or so 203
- pajama 59
- commentate 99
- favela 102
- bicoastal 117
- breve 118
- Mar. 69
- foul line 116
- Stray 305
- confuse 1480
- Unperturbed 42
- living wage 67
- deluded 100
- Shortcut 98
- predominantly 157
- hulking 62
- gaff 118
- facile 166
- Definitive 22
- elapse 105
- enfant terrible 106
- urinate 99
- cronyism 105
- ecotarian 86
- toytown 55
- golf ball 67
- basilica 114
- ova 51
- Christian Science 114
- question mark 64
- needle 854
- dude ranch 182
- Shepherd 28
- Frame 288
- sexton 64
- Infamous 3
- Daily 101
- hairpin 96
- enforcement 197
- changed 156
- archive 324
- Corps 264
- Acme 118
- choc-ice 61
- schoolmate 52
- pager 60
- Uncertain 128
- Workable 140
- scholarship 589
- Figurative 56
- Function 321
- TROLLEY 80
- cow town 90
- English breakfast 119
- heart-rending 26
- suborbital 51
- dredge up 131
- press on 124
- poplar 46
- fibre-optic 80
- jacobean 45
- lookout 137
- radium 408
- introspective 69
- defender 298
- infrequent 103
- sonorous 80
- Interrogate 101
- clench 145
- maltese 57
- divided highway 126
- Tactile 64
- dissatisfied 296
- rat 990
- smelling salts 85
- measurable 400
- washbasin 53
- saboteur 100
- defuse 170
- gun control 125
- Amnesty 273
- Rape 197
- gaslighting 81
- dovetail 87
- aspersions 91
- fire away 73
- Admit 689
- stereotypical 218
- 'em 98
- flatulence 129
- tomorrow 69
- phone 1051
- suspender 66
- Odds 104
- Sandwiches, rolls and toast 24
- maniac 328
- lid 610
- chinwag 126
- belay 68
- she'll 126
- Inside 63
- uruguayan 46
- bhaji 78
- carve up 120
- squeak 285
- organisation 127
- ejaculate 169
- lineup 300
- Small-time 3
- raise 290
- food 880
- Thermos 48
- pressure cooker 93
- perl 59
- chalky 102
- tether 79
- flesh-colored 120
- Fortuitous 87
- Prophecy 64
- edt 127
- breaststroke 146
- icelander 62
- fin de siècle 111
- rooted 159
- mistook 53
- banana split 113
- Labour 204
- winner 1160
- conversation stopper 51
- med 123
- gravedigger 104
- cloud-cuckoo-land 95
- decider 90
- col 106
- virtuous 275
- molding 58
- absently 112
- Afrikaner 65
optional
★
adjective 
/ˈɒpʃ(ə)nəl/
/ˈɒpʃ(ə)nəl/ - something that is optional is available or possible if you want it, but you do not have to have it or do it 可选的；非强制的
Add 200 grammes of walnuts (optional). 加200克的胡桃（可选）。
The history course is optional, but English is compulsory. 历史课是选修的，但英语课是必修的。
an optional extra (=something that is available, usually for more money) （通常指需另交费的）额外可选之物 :Remote central locking comes as an optional extra. 遥控中央门锁是可供选择的额外配置。
Synonyms and related wordsAvailable and to be, or to become available: available, public, spare...
derived word
optionally
adverb Synonyms and related words
Available and to be, or to become available: available, public, spare...
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