飞轮 (fēi lún) — (mechanical) flywheel; (bicycle) freewheel, freehub; (exercise) spinning bike, stationary exercise bike used in group classes

Definition

Examples

• 飞轮在发动机中起着储存能量的作用。
  fēi lún Zài fā dòng jī zhōng qǐ zhe chǔ cún néng liàng de zuò yòng.
  The flywheel stores energy in an engine.
• 这辆自行车的飞轮需要更换了。
  Zhè liàng zì xíng chē de fēi lún xū yào gēng huàn le.
  The freewheel on this bicycle needs to be replaced.
• 我每周去健身房骑两次飞轮。
  Wǒ měi zhōu qù jiàn shēn fáng qí liǎng cì fēi lún.
  I go to the gym to ride the spinning bike twice a week.