Jackscrew
n. 螺旋起重机\\n[医] 螺旋正牙器
🗣️ 情景例句
Hello.
你们好。
Maybe he'll fall for it this time! Ha, ha.
这一次它可望落入陷阱。哈！哈！
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。