Peroxyacetyl

nitrate [化]硝酸过氧化乙酰

🗣️ 情景例句

Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个,我说哪一个都没有关系。[动词时态一致,这是中国人学习英语最头痛的一个问题。]
Half an hour later ,she woke up and began to cry.
半小时后她醒了,哭了起来。
更多情景英语 ›

🔤 更多 P 开头的单词

perfidy ['pə:fidi]
全部 P 开头单词 ›