Ratcheting
棘轮效应, 齿合, 联轴节, 离合器
🗣️ 情景例句
He would like to see you.
他想见你。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
And a pound of mince, too.
再来一磅绞肉。