Water purification
[医] 水的净化
🧩 词语组成解析
water
['wɔtɚ]
n. 水;雨水;海水;海域;
v. 给…浇水;供以水;加水稀释;流泪;
purification
[ˌpjuərifi'keiʃən]
n. 洗净;涤罪;提纯;（犹太妇女按教规在月经后行的）洁净礼;
🗣️ 情景例句
Da dada da da dada da da da da da da dada.
哒 哒哒 哒 哒 哒哒 哒 哒 哒 哒 哒 哒 哒哒。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。