Diafiltration
[化] 膜渗滤; 渗滤
🗣️ 情景例句
As you see, the goods we ordered are seasonal goods.
你知道，我们这批货物是季节性的。
I asked him to paint it for me, but he wouldn't
我请他帮我油漆，但是他不肯。
A week? As long as that?
一星期？要那么长时间？