)knob
knob
n.
(门, 抽屉等的)球形捏手, 节, 瘤, 旋钮, 球形突出物, (煤, 砂糖等的)小块
vt.
使有球形突出物
vi.
鼓起
1. a circular rounded projection or protuberance
同义词：boss
2. a round handle
3. any thickened enlargement
同义词：node, thickening
4. an ornament in the shape of a ball on the hilt of a sword or dagger
同义词：pommel
例句与用法:
1. 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。
2. `Does this knob come off?' `No, it's fixed on permanently.'
｀这个把手能拆下来吗?＇｀不能, 那是固定的.＇
3. A knob, knot, protuberance, or swelling.
节，结，瘤球状物、结、节疤或肿瘤
4. A knob, knot, or other small protuberance.
球形突出物，树瘤球形突出物、节瘤或其它小的突出物
5. As he turned the knob, the sound diminished.
他一转旋钮，声音就变小了。
6. This knob is only held on by sellotape.
这个旋钮只是用透明胶带固定住的.
7. Twist the knob to the right setting.
把旋钮拧到适当的定位挡上.
