Decolorite
多孔阴离子交换树脂
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
There is many a fair thing full false.
有许多说得好听的东西充满了谬误。
That is why we are learning English in China.
这就是我们在中国学习英语的原因。