Bulletproof
a. 防弹的
🗣️ 情景例句
I only buy used books.
我只买旧书。
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。]
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。