Bipyridine
[医] α,α'-双吡啶
🗣️ 情景例句
I am sure. So, we'll be expecting the first shipment in less than a month.
那当然。我们都希望第一批货在一个月之内可以装船。
He likes playing the piano.
他喜欢弹钢琴。
Yes, I have.I think that.I've hurt my back.
是啊，摔伤了。我想我把背摔坏了。