Spirodela polyrhiza
[医] 浮萍(植物杀虫药)
🗣️ 情景例句
Sit down, Robbie. Let's get to work.
坐下来 ，Robbie， 让我们开始做功课吧。
He took a strong attitude towards her.
他对她采取强硬态度。
She was totally exhausted.
她累垮了。