英语：词汇及解析：about

　　5. about prep关于，ad 大约，到处

　　a) be about to do sth…(when) I was about to go out when it began to rain.

　　b) look about/around/round c) How/What about…询问情况或建议

　　6 . above prep 在…上面 above all 首先;尤其

　　7. abroad ad.到(在)国外 a) go /study /live abroad b) at home and abroad在国内外

　　8. ●absence n. 不在，缺席

　　absence from work/ school The decision was made in my absence.

　　in the absence of 在缺少…条件下 The case was dismissed in the absence of proof.