Amberplex
离子交换膜
🗣️ 情景例句
I read when I have the chance.
我有空时喜欢读书。
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
I'm looking for a pair of black shoes.
我在找双黑色的鞋。