Planorbis caenosus
[医] 扁卷螺
🧩 词语组成解析
[医] 扁卷螺属
🗣️ 情景例句
We really appreciate it.
我们实在很感激。
Do you have a phone book(directory)?
你有电话簿吗？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。