Formazyl
苯基, 偕苯偶氮基, 偕苯肼基代甲基
🗣️ 情景例句
I'm quite active and energetic.
我积极而充满活力。
For a few, scholarships were sources of support.
有少数人，奖学金是他们接受教育的学费来源。
What did he do?
他是干什么的？