柯林斯詞典knob /n?b/ (knobs) 1. N-COUNT A knob is a round handle on a door or drawer which you use in order to open or close it. 球形把手 He turned the knob and pushed against the door. 他轉(zhuǎn)動門把手，推了那扇門。2. N-COUNT A knob is a round switch on a piece of machinery or equipment. 鏇鈕 ...the volume knob. …音量鏇鈕。 返回 knobbed