knocker
英 ['nɒkə]
美 ['nɑkɚ]
词性
名词
基本解释
n.门环
网络释义
敲门者；门环，门砸
例证
1、She heard a knock on the door and went to answer it.
她听到有人敲门声，就去开门。
2、The old wooden door had a brass knocker shaped like a lion's head.
那扇旧木门上有一个狮头形状的铜门环。