impurity
US /ɪmˈpjʊr.ə.t̬i/
UK /ɪmˈpjʊr.ə.t̬i/
名詞
1.
不純
the fact that a substance is dirty or lower in quality because it is mixed with another substance, or something that causes this:
範例:
•
Impurities are removed from the blood by the kidneys.
在 Lingoland 學習這個單詞