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| NOUN |
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| /bəʊlt/ |
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| 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 |
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| 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 |
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| 3 | a long wide roll of cloth （布的）匹 |
| a bolt of cloth/silk 一匹布/丝绸 |
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| 4 | a short heavy pointed stick that you shoot from a crossbow （短而粗的）弩箭 |
| PHRASES |
| - | a bolt from/out of the blue
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| something that surprises you very much because you were not expecting it to happen |
| 大出意外的事；晴天霹雳 |
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| It was a bolt out of the blue when Alan resigned. 艾伦辞职令人大感意外。 |
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| - | a bolt of lightning
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| a flash of lightning in the sky |
| 一道闪电 |
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| - | make a bolt for sth
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| to quickly run towards something in order to try and escape |
| （为逃避）急忙跑向…，拔腿便向…跑去 |
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| He made a bolt for the door. 他急忙朝门跑去。 |
| make a bolt for it (=suddenly run away) Joe dropped the bag and made a bolt for it. 突然逃跑；溜之大吉 |
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