knob
[nɑ:b]
n.
球形把手;
（收音机等的）旋钮;
小块;
疙瘩;
v.
鼓起;
使有球形突出物;
给（门等）装球形把手;
例句:
-
He twiddled a knob on the dashboard.
他转动着仪表板上的一个旋钮。
来自柯林斯例句
-
Top the steaming hot potatoes with a knob of butter.
在冒热气的马铃薯上放一小块黄油。
-
The cutters are opened by turning the knob anticlockwise.
逆时针转动旋钮可以开启切割机。
-
Turn over and baste with a knob of butter.
来自BBC
-
A radiogram...with...a fat Bakelite knob to twiddle for the stations.
来自J. Winterson
-
It is recognisable by its pronounced knob atop the bill.
来自BBC
-
There is a knob of butter on the table.
桌子上有一小块黄油。
来自《权威词典》
-
We have replaced the knobs on all the doors.
我们将门上所有的把手都换了。
来自《权威词典》
-
My radio's knob got loose.
我收音机上的旋钮松动了。
来自《权威词典》