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(Mr. Ng 不推薦使用 Google 翻譯！)
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- mushroom 370
- narrate 169
- productive 359
- Slick 178
- sponge 355
- In 381
- Polymath 7
- Greet 225
- represent 849
- envy 627
- intermix 5
- Nostalgia 12
- ounce 343
- RESONATE 43
- dimension 447
- baby 101
- bran 66
- Forte 31
- Available 183
- (as) a last resort 19
- disgust 588
- conclude 347
- Scribble 34
- instigate 115
- Workplace 51
- cronyism 49
- extramural 60
- Friendship 491
- workbench 75
- self 1576
- waterproof 385
- pin money 58
- recess 532
- hardware 379
- Think 152
- Negative 221
- address 1281
- trait 121
- industrialization 109
- abide 60
- Ruin 332
- proper 356
- iron 819
- methodist 13
- Gangster 86
- curve 1143
- impersonate 119
- safeguarding 14
- natural 325
- inability 213
- Machine 899
- studious 45
- Destruction 123
- pregnancy 44
- pernicious 66
- Adultery 39
- elbow 667
- Metallic 50
- ceiling 410
- owe 308
- galumph 48
- ant 455
- zealous 389
- dislike 439
- tight 381
- autograph 125
- sock 504
- opposition 196
- Insert 194
- Convince 154
- mers 9
- dying 244
- inquest 10
- art form 79
- artistry 53
- evidence 765
- Concrete 222
- lie around 73
- right on 92
- liver 464
- chagrin 107
- Marketplace 36
- hinge 197
- indict 102
- methane 153
- enumeration 57
- deathly 100
- lazy 593
- betray 433
- salary 651
- rock solid 28
- lupus 5
- grip 316
- brat 239
- mystery 674
- knight errant 41
- busywork 68
- Install 198
- midstream 9
- Cooperative 119
- clearance 61
- Screen 313
- To stop talking or to not say anything 30
- jury 393
- grocer 247
- hidebound 17
- touchdown 262
- free-from 118
- nuisance 377
- COST 23
- slipper 344
- developer 103
- Guess 123
- fork 723
- Law 451
- get go 16
- excavate 51
- tongue 638
- gobbet 94
- Impressive 112
- ashamed 608
- lapdog 7
- intimidating 150
- qualification 251
- Cemetery 83
- allow 383
- Sting 142
- Implicate 35
- eyesight 389
- To hit a person 287
- Unify 33
- pigeon 348
- rate 979
- Council 156
- Thoughtful 124
- crabby 59
- Fauna 126
- battle 517
- Verb 32
- sphincter 123
- metonymy 8
- Custody 72
- COMPULSORY 27
- bury 540
- sash 228
- chorus 238
- Common 72
- strictly 380
- civil 338
- sob 415
- locate 606
- INTRICATE 46
- disappointing 144
- accompany 466
- collective 372
- Video 255
- forcible 51
- Delay 104
- adjust 379
- insult 366
- mew 9
- Sharply 77
- Barter 7
- bet 617
- make fun of 3
- Palestinian 11
- Thunder 292
- free-to-air 40
- Ambition 161
- Direct 332
- accomplish 392
- essentially 115
- cerulean 4
- Forgettable 19
- emerald 65
- Dispatch 140
- microsecond 7
- doughnut 85
- meringue 9
- tandem 93
- divorcé 257
- composed 56
- nut 494
- merlot 12
- tireless 99
- retribution 176
- euphonious 10
- Mislead 309
- action 905
- aluminum 285
- merman 7
- bumph 56
- Web 444
- melamine 10
- ménage 3
- guidance 433
- microprocessor 8
- methinks 8
- Dye 8
- Coastal 44
- expediency 74
- Dead 21
- black-and-white 171
- Repartee 97
- Moody 9
- precision 357
- Railway 376
- FOOTHOLD 191
- advertiser 41
- mickey 9
- Fantasy 201
- chin-up 141
- mercurial 8
- mama 5
- inconsistent 212
- overwhelm 306
- satisfactory 453
- alphabetize 42
- mg 9
- emigrate 159
- meteor 10
- infill 9
- munitions 170
- Fear 320
- cultivate 434
- sallow 84
- meta- 7
- Botanist 5
- remediation 53
- orphan 362
- whisky 393
- guaranteed 65
- textbook 428
- schedule 618
- peer 453
- flutter 364
- mete 10
- southwest 325
- authority 560
- microeconomics 8
- midas 9
- Unusual in an interesting way 13
- attractive 362
- Examination 36
- metatarsal 9
- Accident 294
- mercantilism 6
- Local 244
- user 448
- mien 5
- selection 408
- pate 143
- microfilm 8
- assessor 153
- rob 536
- network 646
- Malfunction 9
- mia 8
- Recruitment 142
- High-rise 17
- bathe 358
- child benefit 74
- endoscopy 58
- men 7
- Search 260
- igloo 7
- microchip 10
- grand 387
- anecdote 99
- 'cause 147
- speculate 484
- terrible 430
- high 1615
- constant 356
- the world is your oyster 22
- Ground glass 12
- lunar 268
- shareware 60
- salve 219
- membrane 6
- black 349
- usual 513
- melanesia 10
- Able 141
- midden 9
- triangle 393
- distrust 102
- midfielder 9
- typical 483
- separate 602
- Entitle 29
- president 497
- guide dog 75
- texture 235
- Retreat 28
- Sinew 6
- law enforcement 13
- store 255
- whimper 130
- seasoned 134
- distress 893
- found 366
- Considerate 142
- meritocracy 9
- meridian 9
- messiah 11
- promptly 75
- reform 2006
- farce 53
- mhz 9
- foreshortened 60
- malawian 9
- ageing 59
- consolidate 187
- retrieve 394
- withdrawn 177
- delivery 491
- proof 983
- bottle 233
- imagination 555
- expire 190
- Ape 185
- mezzo-soprano 3
- refresh 313
- midnight 502
- Empire 45
- request 875
- mezzo 9
- wage 586
- Interesting - thesaurus 43
- Training 274
- opening 476
- turn 1355
- inroad 124
- meta 8
- farmer 655
- Standard 112
- aargh 75
- established 141
- memetic 4
- shoplifting 153
- mexican 8
- Frown 436
- midi 7
- midfield 8
- grasp 703
- baron 130
- gold 698
- scandalous 203
- examination 800
- Mechanism 154
- breakdown 212
- mendelevium 5
- broadcast 634
- explode 580
- Computer 169
- peek 466
- fly 1046
- sweater 295
- microwaveable 7
- midterm 8
- microdot 11
- Embark on 68
- dead 275
- Phenomenal 44
- Fiction 91
- mestizo 8
- head-on 1478
- methanol 10
- manhole 6
- outfit 271
- misery 60
- forbid 386
- defenceless 188
- Joke 271
- comparable 520
- constrict 103
- Bounce 495
- Snake 214
- microaggression 9
- cluster 235
- forehead 466
- everyday 454
- contemplation 193
- metabolize 9
- mac 383
- house-to-house 486
- mews 8
- thwart 71
- NORM 59
- mi6 10
- midsummer 6
- mick 7
- close season 58
- consumption 535
- Pattern 134
- serious 732
- uplift 213
- YouTube 75
- tier 169
- isotope 13
- Establish 210
- Proportion 203
- optical 390
- annoyance 94
- System 392
- Prepare 310
- mgr 8
- poison 709
- antiquated 60
- Detergent 105
- Banter 6
- torrent 470
- grave 623
- crush 509
- merseyside 5
- With respect to 8
- visitor 444
- metalanguage 8
- prescribed 84
- Addition 222
- memsahib 8
- first-time 53
- Red 24
- malware 9
- Child 324
- totally 10
- Inequality 181
- frog 463
- scene 713
- innate 115
- donor 219
- pretend 557
- discontinue 121
- kick around 103
- destroyer 134
- poisonous 457
- Quick 216
- strained 354
- keyboard 625
- controlled 49
- slop 229
- exile 297
- coincidence 151
- Conceptualize 6
- messrs 8
- non-finite 16
- merc 7
- gourmand 57
- Modification 347
- conspiracy 187
- easy 273
- calm 558
- colonist 56
- Plea 141
- midpoint 8
- carve 365
- Morale 17
- Mgr 8
- warn 330
- Toilet 170
- strait 352
- Trance 83
- Type 361
- Indiscreet 54
- Pepper 6
- metrosexual 11
- Halve 124
- severe 660
- dramatic 418
- self-centered 454
- methodology 9
- micron 10
- caravan 179
- melanesian 9
- Vigour 53
- survive 700
- Academy 309
- Usual 223
- microelectronics 9
- midshipman 9
- Suitable 468
- Notary 6
- metrication 9
- MYTH 57
- misbehave 30
- i.e. 316
- drawn 78
- untouched 150
- refrain 136
- fool 369
- Manipulation 219
- prod 141
- cartilaginous 35
- apply 1876
- Irresistible 90
- continuance 61
- mauve 7
- excessive 418
- series 878
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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