Contaminants
n. 污染物, 致污物( contaminant的名詞復(fù)數(shù) )
??? 情景例句
She's so cute.
這只狗真可愛(ài)。
You're way behind schedule.
你比預(yù)定的落后了。
By January 10th, I was back to where I had started from.
到了1月10日，我恢復(fù)了原來(lái)的作息時(shí)間。