Ratchet gearing
[机] 棘轮联动
🧩 词语组成解析
n. 棘轮, 棘爪\\n[机] 棘轮, 棘齿轮
n. 传动装置\\n[经] 比例结合, 齿轮作用
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
I think she works much too hard.
我认为她未免太过辛劳了。
When my husband was going into the dining room this morning, he dropped some coins on the floor.
今天早晨我丈夫走进饭厅时，把一些硬币掉在地上了。