Amberplex
离子交换膜
🗣️ 情景例句
Now, how's the Stewart family?
那么， Stewart全家人都好吗？
Let's stop here and continue in about 10 minutes.
我们暂停一下，10分钟后继续。
I agree. Which museum would you like to visit?
我同意。你想参观哪个博物馆呢？