Impurities
n. 杂质（impurity的复数）
🗣️ 情景例句
She's doing fine, thank you.
她很好，谢谢你。
He that converses not knows nothing.
不和人交谈的人一无所知。
Finally, he demanded an end to the British rule over India and independence for his country.
最后，他要求结束英国对印度的统治，为他的祖国争取独立。