Peroxyacetyl
nitrate [化]硝酸过氧化乙酰
🗣️ 情景例句
Two of a trade seldom agree.
同行是冤家。
Do you have your driver's license?
你有驾驶执照吗？
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。