11.absence or mind (=being absent-minded) 心不在焉
12.absorb (=take up the attention of) 吸引……的注意力(被动语态);be absorbed in 全神注贯注于……近;be engrossed in; be lost in; be rapt in; be concentrated on; be focused on; be centered on
12.on one‘s own account
1)为了某人的缘故，为了某人自己的利益
2)(=at one‘s own risk) 自行负责
3)(=by oneself) 依靠自己
on account 赊账;on account of 因为;on no account 不论什么原因也不;of ……account 有……重要性。
13.take…… into account (=consider) 把……考虑进去
14.give sb. an account of 说明，解释(理由)
15.account for (=give an explanation or reason for) 解释，说明
16.on account of (=because of) 由于，因为
17.on no account (=in no case， for no reason) 绝不要，无论如何不要(放句首时句子要倒装)
18.accuse……of…… (=charge……with; blame sb. for sth.; blame sth. on sb.; complain about) 指控，控告
19.be accustomed to (=be in the habit of， be used to) 习惯于
20.be acquainted with (=to have knowledge of)了解; (=to have met socially) 熟悉