Bipyridine
[医] α,α'-双吡啶
🗣️ 情景例句
Is cash all right?
现金可以吗？
The writer has a unique style.
这个作家有独特的风格。
By correlating markings made in various parts of the world, historians have been able to read this difficult code.
历史学家通过把世界各地留下的这种痕迹放在一起研究，终于弄懂了这种费解的代码。