Iau
abbr. 国际大学协会（International Association of Universities）；国际天文联合会（International Astronomical Union）
🗣️ 情景例句
I'm taking 19 credit hours.
我修了十九个学分。
I'll see what I have. What do you need it for?
我来看看我有什么样的零钱。你要干嘛？
They must keep their hands behind their backs.
他们得一直将手放在背后。