peephole ['pi:phəul]

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附加级

n.窥孔，门镜

A one-way peephole in a door. 窥视孔门上单向的窥视孔。
Through the peephole I said to him: "My key off in the lock. " 对着门上的窥孔，我对他说：“我的钥匙断在锁里了。”