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
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。
When the bees came back to the hive, Von Frisch saw a curious sight.
当蜜蜂返回蜂箱时，冯·弗里施看到一个奇特的现象。