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IELTS BNC: 5051 COCA: 4899
bolt
noun [C] /bəʊlt/
singularbolt
pluralbolts
  1. 1
    a metal bar that you slide across a door or window in order to lock it (门或窗的)金属插销
     Synonyms and related words
  2. 2
    a type of screw without a point that is used for fastening things together and that screws into a small metal ring called a nut 螺栓
     Synonyms and related words
    See also nut
  3. 3
    a long wide roll of cloth (布的)匹

    a bolt of cloth/silk 一匹布/丝绸

     Synonyms and related words
    Amounts and pieces of cloth: bolt, remnant, swatch...
  4. 4
    a short heavy pointed stick that you shoot from a crossbow (短而粗的)弩箭
     Synonyms and related words
    Bows and arrows: arrow, arrowhead, bolt...
bolt
verb /bəʊlt/
present tense
I/you/we/theybolt
he/she/itbolts
present participlebolting
past tensebolted
past participlebolted
  1. 1
    [T] to lock a door or window using a bolt 闩(门或窗)

    Did you remember to bolt the back door? 你记得闩上后门了吗?

     Synonyms and related words
  2. 2
    [T] to fasten two things together using a bolt (用螺栓)把…闩在一起,把…钉在一起
    bolt something to something :

    The chairs were all bolted to the floor. 椅子全部用螺栓固定在了地板上。

    bolt something together :

    The hut was made from metal units that had been bolted together. 小屋是用螺栓将金属构件固定在一起搭建而成的。

    bolt something down (=fix something to the floor) 把某物固定在地板上 :

    The benches had been securely bolted down. 长凳已稳稳地固定在地板上。

     Synonyms and related words
  3. 3
    [I] to run in a sudden way, especially because you are frightened (尤指由于害怕而)奔,窜

    There was a gunshot and the horse bolted. 一声枪响,马窜了出去。

    bolt out of/towards/for :

    She suddenly bolted towards the door. 她突然朝门跑去。

     Synonyms and related words
    To run: run, run, runner...
     Synonyms and related words
    1. a.
      [I] to escape from a place 逃跑

      When the guard got back, he found the prisoner had bolted. 看守回来时发现囚犯已逃跑了。

       Synonyms and related words
    See also stable door
  4. 4

    bolt

    or

    bolt down

    [T] to eat food very quickly 匆匆咽下;狼吞虎咽

    She bolted down her lunch and rushed back to work. 她匆匆吃完午餐就赶回去上班。

     Synonyms and related words
    To eat in a particular way: bite, bolt, cannibalize...
bolt
adverb /bəʊlt/

phrase

  • bolt upright

    with your back very straight (背部)笔直地

    Iris sat bolt upright in her seat throughout the interview. 艾里斯整个面试过程中都笔直地坐在座位上。

     Synonyms and related words
    In a sitting position: upright, perch, be seated...
IELTS BNC: 5051 COCA: 4899
bolt

noun¹

1for fastening things together螺栓VERB + BOLT | PHRASES VERB + BOLTtighten, tighten up上緊螺栓loosen鬆開螺栓remove, undo, unscrew卸掉/擰開/旋出螺栓PHRASESnuts and bolts基本要點
bolt

noun²

2for fastening a door門閂VERB + BOLTdraw back, pull back, slide back拉開門閂push home, slide home插好門閂She closed the door quickly and pushed the bolts home.她快速關上門,插上門閂。
bolt

verb

ADVERB | PREPOSITION ADVERBfirmly, securely用螺栓緊緊固定住Make sure that the rails are securely bolted in place.務必確保欄杆都固定住了。together用螺栓固定在一起The two parts are bolted together.這兩部份用螺栓固定在一起。PREPOSITIONto用螺栓固定在⋯上The yacht's keel is bolted to the hull.遊艇的龍骨用螺栓固定在船身上。
IELTS BNC: 5051 COCA: 4899
bolt verb
close1 (bolt the door) flee (a horse bolts)

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