Ucav
abbr. uninhabited combat air vehicle 非传统战斗航空器，非传统战斗机
🗣️ 情景例句
but I knew engineering was not for me.
但我知道工程对我不合适。
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。]
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。