| 单词 | safety bolt |
| 释义 | safety bolt (once / 1688473 pages) n WORD FAMILY safety bolt USAGE EXAMPLES"Get him, Anna!" he called, throwing the safety bolt into position. Taft, William Nelson, On Secret Service—Detective-Mystery...(2011) n a bolt that cannot be moved from outside the door or gate Syn|Hyper safety lock bolt, deadbolt the part of a lock that is engaged or withdrawn with a key |
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