a hole (in a door or an oven etc) through which you can peep
造句
用作名詞(n.)
He squinted through the peephole. 他瞇起眼睛靠近窺視孔看了看。
But the instant she closed the door, she peered through the peephole and saw he was still standing by the gate. 然而，她剛一關上房門，就迫不及待地從門鏡中向外望去，只見他仍然站在外面的大門旁。