knob
/nɑb/
a circular rounded projection or protuberance
Chinese meaning: 球形把手；旋钮；圆形突出物
She turned the brass knob gently and pushed the door open.
她轻轻转动黄铜把手，推开了门。
The volume knob on the radio is stuck and won't move.
收音机上的音量旋钮卡住了，动不了。
/nɑb/
a circular rounded projection or protuberance
Chinese meaning: 球形把手；旋钮；圆形突出物
She turned the brass knob gently and pushed the door open.
她轻轻转动黄铜把手，推开了门。
The volume knob on the radio is stuck and won't move.
收音机上的音量旋钮卡住了，动不了。