Ratch
n. （防倒转的）棘齿
✅ 同义词
🗣️ 情景例句
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
A chain is no stronger than its weakest link.
链条的坚固程度取决于它最薄弱的环节。
At this period Indians living in South Africa were badly treated by South African whites, and very few of them had the right to vote.
在那一时期，居住在南非的印度人受到南非白人的虐待，他们当中有选举权的寥寥无几。