Peroxyacetyl
nitrate [化]硝酸过氧化乙酰
🗣️ 情景例句
I'm meeting my girlfriend at 6:00.
我约好六点跟我女朋友见面。
He applied for a scholarship at Harvard University.
他申请了哈佛的奖学金。
How do you go to work everyday?
你每天怎么上班？