Archosauria
n. 主龙类；[古生] 初龙亚纲
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
We are very proud and honored to have a distinguished group of guests such as you to our company.
我们为能请到您这肃尊贵的客人而深感骄傲和荣幸。
You've got a point there.
你说的有道理。