Bipyridine
[医] α,α'-双吡啶
🗣️ 情景例句
His house was always neat.
他家经常都是干净的。
Patience and application will carry us through.
忍耐和努力会使我们度过难关。
I'd like two sweaters for my daughters.
我想给女儿买两件毛衣。