latchkey
['lætʃki:]
n. 碰簧锁钥匙
例句与用法：
She won't interfere with you any more; your independence is achieved and you have won your latchkey.
她再与也不会干涉你了，你有了独立自主权，你已经有了你自己出入大门的钥匙。
词形变化：
动词过去式: latched | 动词过去分词: latched | 动词现在分词: latching | 动词第三人称单数: latches |
详细释义：
n.
碰簧锁钥匙