ratchets
/ˈrætʃits/
📖 中文释义
- n. （防倒转的）棘齿( ratchet的名词复数 )
- v. （防倒转的）棘齿( ratchet的第三人称单数 )
🧩 词形变化
原形 ratchet变形 s3
📘 English Definition（英文释义）
- n mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
- v move by degrees in one direction only