Benzidine-monosulfonic acid
[建] 联苯氨一磺酸
🧩 词语组成解析
n. [化]对二氨基联苯
🗣️ 情景例句
And my wife is- uh-
我的太太她-
How long will you remain in the United States?
你将会在美国逗留多久？
They cut big pieces of metal into small pieces.
它们把大块的金属切成小块。