dead·bolt 
(dĕdbōlt′)
(dĕdbōlt′)n.
A bolt on a lock that shifts only when the key or a small knob on one side of the lock is turned.
deadbolt
| 单词 | deadbolt |
| 释义 | dead·bolt (dĕdbōlt′)n. A bolt on a lock that shifts only when the key or a small knob on one side of the lock is turned. deadbolt |
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