1,account

　　n.①账目，账户：cast accounts算账

　　②记述，描述，报告：When you return,please give an account of your trip.

　　③说明，解释：No satisfactory account was given of these phenomena.

　　vi.(for)说明，解释：He could not account for the mistake.

　　account for 说明 His illness accounts for his absence

　　on account of为了…的缘故.因为.由于

　　take account of考虑到，顾及，体谅

　　These figures do not ___________ changes in the rate of inflation.

　　take into account＝take account of 考虑

　　2,accumulate cumul: pile, heap ac+ cumul+ ate

　　vt. /vi.积累，积蓄，堆积.积聚：Dust soon accumulates if a house.

　　It is not cleaned regularly.

　　accumulation n.积聚, 堆积物

　　3,accuracy do with care cure 关心 acy 表示性质---一再关心，使其精确

　　n.准确(性)，精确度(性)：

　　I wasn't convinced about the accuracy of the report.

　　Accuracy and speed are essential requirements for the task.

　　4, accuse,义accusation cuse (原因)，原义 ,理由 加强理由-有理由指责别人

　　n.告发，控告

　　vt.①谴责，指责：accuse sb. Of carelessness指责某人粗心大意

　　②(of)控告，告发：He accused Bill of hitting his cat.

　　accuse…of为…指责别人，控告某人

　　Tom was accused of being at the scene of the crime.

　　charge with

　　5,accustom custom 习惯，风俗

　　vt.(to)适应，使习惯：accustom oneself to country life使自己适应乡村生活

　　be accustomed to习惯于

　　get used to , become familiar with , adjust to , get acquainted with