ratchet

🇺🇸 /ˈrætʃɪt/ 🇬🇧 /ˈrætʃɪt/
詞頻
難度
標籤 TOP20000
noun
R

A device that allows movement in one direction but not the other, often used in machinery.

The ratchet mechanism in the wrench ensures that the bolt tightens securely.

扳手裡的棘輪機制確保螺釘能安全地繃緊。

translation

n. 棘輪

詞形變化

Plural ratchets