ReadWriteQuiz
Chinese dictionary
- 1
n.foreign matter or substance; impurity; inclusion
清理杂质
remove impurities
水中的杂质
impurities in water
- 2
n.foreign matter (or substance)
工业制氧提取的氧气,纯度较高,其中的杂质是微乎其微的。
The purity of oxygen extracted from industrial oxygen production is high, and the impurities are very small.