knob

释义

n. 把手, 瘤, 旋钮, 球形突出物\nvt. 使有球形突出物\nvi. 鼓起 with knobs on [俚语]尤其突出地，更加 door knob 门把手；门把捏手 adjusting knob 调节旋钮

例句

He thought the door was locked, but he turned the knob and the door opened.

他本以为门是锁住的，但是转了一下把手门就开了。

a brass door knob

黄铜门把手