Ectotoxin
[化] 外毒素\\n[医] 外毒素
🗣️ 情景例句
Would you do me a favour look around your factory?
能否帮忙带我看一下你们工厂？
I really don't know.
我真不知道。
The officer in the control tower was very angry when he heard the news,
控制塔上的官员得知这一消息后，非常气愤，