Decolorite
多孔阴离子交换树脂
🗣️ 情景例句
We needed the money.
我们当时需要钱。
I hope you can pass the examinations.
我希望你的考试能通过。
There is a car race near our town every year.
在我们镇子附近每年都有一场汽车比赛。