Prechlorination
预加氯
🗣️ 情景例句
Whose turn is it to wash the dishes today?
今天轮到谁洗碗？
This soup would taste better if it had more salt in it.
如果多放点盐，这汤会更好喝的。
It's about 400 yards from here.
离这儿大约有400码。