Narasin
[化] 甲基盐霉素
🗣️ 情景例句
What are you doing?
你在干什么？
It's least valuable.
这最没有价值。
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。