Peroxyacetyl
nitrate [化]硝酸过氧化乙酰
🗣️ 情景例句
Rose-petal salad?
玫瑰花瓣沙拉好吗？
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。