Amberplex
离子交换膜
🗣️ 情景例句
In my opinion, winter in Beijing is not very cold.
我觉得北京的冬天不是特别冷。
It's two o'clock.
两点钟。
No necessity of making a living away from home results in neglect of children,
人们没有必要离家谋生，所以不会产生孩子无人管的问题，