Undulina
[医] 锥虫属
🗣️ 情景例句
I think you should take the highway all the way, and I'd advise you to avoid stopping to go sight-seeing.
我认为你最好全程走高速公路，而且我建议你不要停下来看风景。
Beware of a man of one book.
不要与一个有专业知识的人争论。
Yes, there are.
是的，有。