旋钮 (xuán niǔ) — knob (e.g. on a device, radio, door)

뜻

예문

• 请把旋钮向右旋转，音量就会变大。
  Qǐng bǎ xuán niǔ xiàng yòu xuán zhuǎn, yīn liàng jiù huì biàn dà.
  Please turn the knob to the right, and the volume will increase.
• 这个旋钮是用来调节温度的。
  Zhè ge xuán niǔ shì yòng lái tiáo jié wēn dù de.
  This knob is used to adjust the temperature.
• 门上的旋钮松了，需要拧紧。
  Mén shàng de xuán niǔ sōng le, xū yào níng jǐn.
  The knob on the door is loose and needs to be tightened.