dot

　　n. 點,圓點,小孩子 小東西; v. 作小點記號,加小點于,點綴;

　　常用短語

　　on the dot adv.準時地

　　dot matrix 點矩陣，點陣，點陣法

　　dot matrix printer 點陣式打印機

　　dot printer 點式打印機，打印機

　　dot product 點乘，數(shù)量積，標量積

　　polka dot n. 圓點花樣的布料

　　參考例句

　　Join the dots up to complete the drawing.順點連線把圖畫好.

　　The letter "i" has a dot over it.字母i上方有一個小圓點兒。

　　I've been going there every summer since the year dot.我從很久以前每年夏天就都到那里去.

　　History is dotted with rum and inexplicable occurrences.歷史中不時穿插著一些離奇而難以說明的事件。

　　She was told to arrive at 8 o'clock on the dot.她被告知八點鐘準時到。

　　duty

　　n. 義務,職責,勤務;稅務,關稅

　　Be all of duty 自由支配

　　常用短語

　　customs duty 關稅

　　stamp duty n.<英>印花稅

　　import duty 進口稅

　　anti-dumping duty 反傾銷進口稅

　　breach of duty 失職,玩忽職守

　　countervailing duty 反補貼稅，反津貼稅，反傾銷進口稅，平衡稅

　　export duty 出口稅

　　death duty 遺產(chǎn)稅

　　duty period 工作周期

　　fatigue duty n. 勞動服務

　　legal duty n. [律]法律職責

　　line of duty n. 公務(尤指軍事任務),履行職責,盡職

　　point duty n. 站崗, 值勤

　　tour of duty n. 任期

　　civic duty 【法】 公民義務

　　neglect of duty 【法】 失職, 過失責任, 玩忽職守

　　參考例句

　　A policeman does not wear a uniform when he is off duty.警察不值勤時不穿制服。

　　They swore an oath to carry out their duties faithfully.他們宣誓要忠實履行職責。

　　A nurse has many duties to fu1fi1 in caring for the sick.護士在照護病人時要盡很多責任。

　　The head teacher's deputy assists with many of his duties.副校長幫助校長做很多工作.

　　There were over1 00 police on duty at the demonstration.游行期間有100多名警察值勤.