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
You did a great job.
做得好。
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。