1.prehistoric times 史前时代
例句:Perhaps originally a sanctuary, it became a necropolis in prehistoric times.
这座地下宫殿可能曾是避难所,但从史前时期起成为了大墓地。
2.go through 经受;经历
例句:You must go through customs in order to pass across the border.
你过边境就必须在海关办理手续。
3.in order to 为了;以便;目的是...
例句:He was going for a scholarship in order to go abroad.
为了出国,他准备争取奖学金。
4.get to know 认识;了解
例句:He's quite a nice guy when you get to know him.
你了解了他,你就知道他是个不错的人。