Definition

Examples

• 这个机器的齿轮需要更换。
  Zhège jīqì de chǐ lún xūyào gēnghuàn.
  The gear of this machine needs to be replaced.
• 自行车的齿轮坏了，骑不动了。
  Zìxíngchē de chǐ lún huài le, qí bú dòng le.
  The gear on the bicycle is broken, so I can't ride it.
• 手表的齿轮很小，要小心。
  Shǒubiǎo de chǐ lún hěn xiǎo, yào xiǎoxīn.
  The gear in the watch is very small, so be careful.