Jac
abbr. 飞机制造联合委员会（oint Aircraft Committee）
🗣️ 情景例句
Isn't this the Nanjing University?
请问是南京大学吗？
Thank you for showing me the way.
谢谢你告诉我怎么走。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。