impurities
n. 不純( impurity的名詞複數 ); 不潔; 淫穢; 雜質
Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.
The air in the factory is filtered to remove impurities.
工廠裡的空氣要經過過濾,以清除其中的雜質。
Impurity is the state of being no longer pure, especially sexually pure.
Once its impurities had settled, the oil could be graded.
一旦雜質沉澱下去,油就可以分級了。
A filter will remove most impurities found in water.
過濾器會濾掉水中的大部分雜質。
Oil is refined to remove naturally occurring impurities.
油經過提煉去除天然存在的雜質。
The air in the factory is filtered to remove impurities.
工廠裡的空氣要經過過濾,以清除其中的雜質。
There were impurities in the water.
水面上飄著浮渣。