Biosystematy
生物分类学, 生物系统学
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
Yes, I do.
我有。