Diphenylbenzidine
二苯基联苯胺
🗣️ 情景例句
Well ... you mind if I look around
嗯……你们不介意我到处瞧瞧
That fellow never pays his bills on time.
那个男人从没按时付过账。
'I found this outside this gentleman's room,' she said.
“这是我在这位先生的房门外捡到的，”她说。