Spirodela polyrhiza
[医] 浮萍(植物杀虫药)
🗣️ 情景例句
Well, it's a very easy operation, Carl.
这是个很简单的手术 Carl。
It's a hard job, but I hope he can make it.
这不是件容易的差事，但我希望他能做到。
Debbie Hart is going to swim across the English Channel tomorrow.
黛比。哈特准备明天横渡英吉利海峡。