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
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
I'm playing ping-pong downstairs.
我在楼下打乒乓球。
We look forward to your visit.
期待您的光临。