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
His studies haven't been inproving lately.
他的学业最近没什么进步。
I meet the boy whose aunt is a stenographer.
我遇到那个男孩的姑妈是速记员。
First come first served.
先到先得。