Dehydrofluorination
[化] 脱氟化氢; 脱氟化氢作用
🗣️ 情景例句
But Alexandra and I
但Alexandra和我
I enjoyed the movie very much. I wish I had read the book from which it was made.
电影不错，我希望我读过原著。[wish + 主语 = 过去完成时 = 愿望之事在wish以前发生。]
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。