导读：1 a series of 一系列，一连串2 about to do 刚要，即将3 above all 首先，尤其是4 absence from 缺席，不在5 absence
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1. a series of 一系列，一连串
2. about to do 刚要，即将
3. above all 首先，尤其是
4. absence from 缺席，不在
5. absence of 缺乏
6. abundant in 富于
7. access to ...的入口，通路
8. account for 说明...的原因，是...的原因
9. accustomed to 习惯于...，常...
10. acquaintance with 相识，了解
11. act on sth 对...的作用
12. dmission to /into 进入，入(场，学，会)
13. advantage over 优于...的有利条件
14. after all 毕竟，终究
15. ahead of time 提前
