重点讲解：
1. wrap up 圆满完成，圆满结束(工作、协议等)；
NATO defense ministers wrap up their meeting in Brussels today.
北约各国国防部长今天圆满结束了在布鲁塞尔的会议。
2. leave behind 留下；余留；
Leave behind a clean world without pollution for future generations.
为后代留下一个干净没有污染的地球。
3. look after 照料；照顾；照管；
It makes sense to look after yourself.
自己应该照顾自己。
4. accuse sb. of sth./doing sth. 指责；责难；
He accused the newspaper of trying to blacken his name.
他指责报纸企图败坏他的名声。