重点讲解：
1. grow up
长大成人；成熟；形成；兴起；逐渐发展；
eg. She grew up in Tokyo.
她在东京长大。
eg. It's time you grew up.
你该懂事了。
eg. A variety of heavy industries grew up alongside the port.
各种重工业沿着港口逐渐发展起来。
2. in service
在使用中；在军中服役；
eg. The other three batteries will be in service within four years.
另外三个营将会在四年内服役。
eg. Cuts in funding have meant that equipment has been kept in service long after it should have been replaced.
资金的削减意味着早该换掉的设备一直在长期运转。
3. go away
离开；外出；
eg. I think we need to go away and think about this.
我认为我们有必要走开一下去考虑这件事。
eg. When you go away on holiday, you need to take extra security precautions.
外出度假时，需要格外注意安全。
