Diphenylbenzidine
二苯基联苯胺
🗣️ 情景例句
We'll tell you the big surprise.
我来告诉你们这个大惊喜。
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿
The famous monastery of St.Bernard, witch was founded in eleventh century, lies about a mile away.
11世纪建造的著名的圣伯纳德修道院位于离山口1英里远的地方。