Jackscrew
n. 螺旋起重机\\n[医] 螺旋正牙器
🗣️ 情景例句
Thanks, honey.
谢谢， 亲爱的。
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
THE UNIVERSE AND MAN-MADE SATELLITES
宇宙与人造卫星