Diazald
二甲基亚硝基苯磺酰胺
🗣️ 情景例句
Which subject were you best interested in?
你对哪一科最有兴趣？
I met one of the newscasters over at the television station.
我在电视公司遇到一位新闻播音员。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？