turn the knob
To adjust the volume, turn the knob clockwise.
要调节音量，顺时针转动旋钮。
门把手；抽屉拉手；球状把手
knobs — plural of knob
旋钮；球状突出；隆起；凸块；小圆丘；山包；剑柄圆头；一小团黄油；一块黄油
A round handle on a door, drawer, or piece of equipment; a ball-shaped grip.
圆形的凸起,尤指从平面隆起的部分；肉瘤或肉垂。
A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle.
圆形凸起
a circular rounded projection or protuberance
可旋转的圆形控制开关,用手指操作。
A rounded control switch that can be turned on its axis, designed to be operated by the fingers.
圆形把手
a round handle
手柄、杠杆等上的球形部分,供手握持。
A ball-shaped part of a handle, lever, etc., designed to be grabbed by the hand.
任何增厚的膨大部分
any thickened enlargement
刃器柄端的圆形装饰；圆头。
A rounded ornament on the hilt of an edged weapon; a pommel.
山脊上突出的圆形隆起。
A prominent, rounded bump along a mountain ridge.
一团,比一勺略多的量(通常指黄油)。
A dollop, an amount just larger than a spoonful (usually referring to butter).
粗大的树枝状块,尤指姜根茎的块。
A chunky branch-like piece, especially of a ginger rhizome.
由多瓣组成的大蒜鳞茎。
A bulb of the garlic plant consisting of multiple cloves.
She turned the knob to adjust the volume.
她转动旋钮调节音量。
用法提示：knob作为名词，表示'旋钮'。
The door knob is loose and needs to be tightened.
门把手松了，需要拧紧。
用法提示：knob作为名词，表示'门把手'。
He pulled the knob to open the drawer.
他拉开把手打开了抽屉。
用法提示：knob作为名词，表示'把手'。
To adjust the volume, turn the knob clockwise.
要调节音量，顺时针转动旋钮。
表示一小块固体物。
Add a knob of butter to the pan.
往平底锅里加一小块黄油。
The knob on my bedroom door is loose.
我卧室门上的把手松了。
grammar · medium
易错句子He knobbed on the door.
正确表达He knocked on the door.
knob（名词/动词：球形突出物，使鼓起）与knock（动词：敲）拼写相似，但意义完全不同。敲门必须用knock，且通常与介词on连用。
grammar · medium
易错句子Press the knob to turn on the TV.
正确表达Turn the knob to turn on the TV.
knob（旋钮）的操作方式是旋转，而不是按压。汉语中'按旋钮'是错误搭配，英语用turn the knob表示旋转旋钮。
门把手
She grabbed the door knob and pulled it open.
她抓住门把手，把它拉开了。
音量旋钮
He turned the volume knob to increase the sound.
他转动音量旋钮以增大声音。
转动旋钮
To adjust the temperature, simply turn the knob.
要调节温度，只需转动旋钮。
扭动旋钮
She twisted the knob to open the safe.
她扭动旋钮以打开保险柜。
控制旋钮
The control knob on the oven is broken.
烤箱上的控制旋钮坏了。
非常地；特别地（常用来强调）
She said she'd be late, and with knobs on, she didn't show up at all.
她说她会迟到，结果她干脆没出现。
一小块黄油（通常呈球形或块状）
Add a knob of butter to the pan for extra flavor.
往平底锅里加一小块黄油以增添风味。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.