Bzd
[医][=benzidine]联苯胺，4，4'-二氨基联（二）苯
🗣️ 情景例句
I was in the neighborhood, so I thought I'd stop by.
我就住在附近，所以我想拜访一下。
Nature will have its course.
天行其道。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，