I left very early last night, but I wish I hadn't left so early.
我昨晚离开得非常早,但我希望我没有离开那么早。[大学英语六级]
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一种叫“探宝器”的新机器已经发明出来,并被人们用来探测地下埋藏的金子。