重点讲解：
1. hang out 闲逛，逗留；
Some of my fondest memories are when I've put together a large group of friends and did nothing but hang out.
有时候我会召集一大帮朋友，什么也不干，只是一起晃悠晃悠，这成了非常美好的记忆InSsP4McR&0Z7[1U[。
2. show up 如约赶到；出现；露面；
When you agree to show up at a certain time, be there.
当你同意在某个时间见面，你就一定要在那个时间出现xl]NzzHQN.|cmh#Hq1。
3. according to 依据，根据，依照；
The salary will be fixed according to qualifications and experience.
薪金将依资历和经验而定WE[+rLZ][Z@(。
4. shed light on 使（某事）显得非常清楚；使人了解（某事）；
Uponthe new experiment may shed light on how animals respond to dangers.
新实验将有可能揭示动物是如何应对危险的rGEemmU[N6BA。