Jackscrew
n. 螺旋起重机\\n[医] 螺旋正牙器
🗣️ 情景例句
And, Carl, you join in at any time.
还有Carl， 你随时都可以加入。
What will you do about it?
你会拿这事怎么办？
But I was extremely pleased with myself.
但我却非常高兴，