Benzidine-disulfonic acid
[机] 联苯氨二磺酸
🧩 词语组成解析
n. [化]对二氨基联苯
🗣️ 情景例句
Nobody denies the convenience of living in town.
没有人会否认都市生活的便利。
Good idea!
真是个好主意！
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。