Ratchet
n. 棘轮, 棘爪\\n[机] 棘轮, 棘齿轮
✅ 同义词
📖 牛津释义
ratchet
n
1 device consisting of a toothed wheel or bar with a catch that fits between the teeth allowing movement in one direction only 棘轮机构.
2 (also `ratchet-wheel) wheel that forms part of this device 棘轮. =>illus 见插图.
🗣️ 情景例句
She's through with her new boyfriend.
她跟新交的男朋友吹啦。
His failure was a lesson to us.
他的失败是我们的一个教训。
my aunt unexpectedly returned one afternoon with a party of guests and instructed Bessie to prepare dinner.
一天下午，她出其不意地回来了，带来一大批客人，吩咐贝西准备晚饭。