棘轮

棘輪
jílún
noun #31,722

Measure Word

Meanings

  1. 1 ratchet
  2. 2 ratchet wheel

Examples

HSK 4
Jílún zhǐnéng cháo yí ge fāngxiàng zhuàndòng.
A ratchet can only turn in one direction.
HSK 7-9
Bānshǒu nèibù yǒu yí ge jílún zhuāngzhì.
There is a ratchet mechanism inside the wrench.

Tips

memory
(jí) means 'thorn' - picture the thorn-like teeth on the gear that catch the pawl and stop it slipping back. (lún) is 'wheel'. So literally 'thorn-wheel': a one-way wheel.

Stroke Order

lún