Electroultrafiltration
电超滤作用
🗣️ 情景例句
I'd like to make an appointment to discuss a question.
我想约个时间讨论个问题。
OK. That'll be $12.00, please.
到了。请付12美元。
Why not? His home isn't far from here. Let's go.
为什么不呢？他家离这儿不远。我们走吧。