Diphenylbenzidine
二苯基联苯胺
🗣️ 情景例句
Don't be mixed up in such business.
不要跟这种事有所关连。
Paint the porch, fool, or else.
傻瓜，快去漱漱口，不然哪
Would you be kind enough to sign our visitors book?
请在来宾簿上签名好吗？