Jac
abbr. 飞机制造联合委员会（oint Aircraft Committee）
🗣️ 情景例句
And I don't.
我并不想这样。
Be slow to promise and quick to perform.
不轻诺，诺必果。
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。