Mutomycin
变种霉素
🗣️ 情景例句
Richard showed me your photo.
Richard给我看了你的照片。
That's not the point.
这不是重点。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。