Ectotoxic
[医] 外毒素的
🗣️ 情景例句
You did the best you could.
你已经尽力而为了。
How is Helen?
海伦好吗？
No, Mrs Brown. Your son's trouble is very common these days. It happens all the time. It comes and goes very quickly. He'll get well soon.
是的，布朗太太。你儿子的毛病现在是极常见的，经常有的。它来得快，去得也快。他不久就会好的。