A'-dipyridyl a
[医] α,α'-双吡啶
🗣️ 情景例句
You like living in New York, don't you?
喜欢住在纽约， 是吗？
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
Do you accept credit cards?
你们收信用卡吗？