Monochlorination
一氯化作用
🗣️ 情景例句
I have one ten-day tour that is still available. It will depart from New York on Dec. 24.
我们一个10天的旅行团还有空位，12月24号离开纽约。
If I buy that car, I'll have to use all my savings.
如果我要买那辆车的话，我必须用尽我的积蓄。
She was born in 1966.
她生于1963年。