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
After you.
请先走。
Excuse me for that.
对不起我为那件事。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。