Bipyridine
[医] α,α'-双吡啶
🗣️ 情景例句
Do you have any coupons?
你们有优惠卡吗？
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比，