音标：[nɒb] ；柯林斯词典等级：1 级；

n. 把手, 瘤, 旋钮, 球形突出物
vt. 使有球形突出物
vi. 鼓起

n. a circular rounded projection or protuberance
n. a round handle
n. an ornament in the shape of a ball on the hilt of a sword or dagger

词型变化：名词复数形式 : knobs
考试类型：[四级/六级/考研/IELTS]

词性分布：

名词100%

knob的用法和样例：

例句

用作名词(n.)

Twist the knob to the right setting.把旋钮拧到适当的定位挡上。
As he turned the knob, the sound diminished.他一转旋钮，声音就变小了。
You may turn the right knob on the TV to switch it on.你可以拧电视上右边的旋钮把它打开。
He could not find the knob in the dark.黑暗中，他无法找到门把手。
He has been predicting the weather in Gobbler's Knob, a wooded area outside of town, for many years.圣烛节是在二月二日，也就是冬天已过一半的时候。

常见句型

用作名词(n.)

We have replaced the knobs on all the doors.我们将门上所有的把手都换了。
My radio's knob got loose.我收音机上的旋钮松动了。
There is a knob of butter on the table.桌子上有一小块黄油。

常用短语

用作名词(n.)

with knobs on

〈英俚〉用以表示反唇相讥或强调同意used to indicate the return of an insult, or emphatic agreement

词汇搭配

with knobs on尤其(更加)
switching knob开关旋钮
turn knob旋扭
friction knob摩擦钮
central knob中央小球
calibration knob校准按钮
caging knob锁定旋钮
synaptic knob突触小体
focus knob聚焦旋钮
knob insulator瓷柱,鼓形绝缘子...
adjusting knob调节钮
floor knob门碰头
door knob门把捏手
ball knob球形把手,球状捏手...
focusing knob聚焦旋钮
terminal knob末球
clutch knob离合钮, 离合器操纵...
shift knob开关,开关按钮...
control knob控制旋钮,调整旋钮...
selector knob位置选择旋钮,转换开...

经典引文

I had my hand on the knob when the door burst open.
出自：M. Angelou
Peering into the car's interior..at the knobs and buttons on its instrument panel.
出自：T. O. Echewa
Remember the knobs on the top of the maple bedposts?
出自：P. Roth

【近义词】

handle

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