Jackscrew
n. 螺旋起重机\\n[医] 螺旋正牙器
🗣️ 情景例句
He is a man of ability.
他是个很能干的人。
The road to hell is paved with good intentions.
徒有良好的愿望而不去努力实现，后悔莫及。
We're going to spend three days in the country.We're going to stay at my mother's for the weekend.
我们打算到乡下去三三，在我母亲家度周末。