Amberplex
离子交换膜
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
We can read of things that happened 5,000 years ago in the Near East,
我们从书籍中可读到5，000 年前近东发生的事情，