Bipyridine
[医] α,α'-双吡啶
🗣️ 情景例句
Please, after you.
你先请。
I'm certain he will be able to find the right place.
我肯定他会找到正确地点。
Yes, he did.He telephoned at nine o'clock.
是的，打了。他在9点钟又打电话。