| 单词 | bolt |
| 释义 | boltboltsboltbolt1 /bəʊlt $ boʊlt/ noun [countable]1 a metal bar that slides across to fasten a door or window2a screw with no point, used with a nut to fasten things togetherPhrasesa bolt from the blue something that is completely unexpected: Her promotion was a bolt from the blue.be 她的升职来得很突然。 |
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