Undulina
[医] 锥虫属
🗣️ 情景例句
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
We shall lie all alike in our graves.
一进坟墓，大家一样。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。