assorted a. 1.各种各样的，混杂的，什锦的 a: i received assurances that i would get help. b: and did they come through? assurance n. 1.把握，信心;2.保证，表示保证(或鼓励、安慰)的话;3.(人寿)保险 a: i am not able to run fast because i suffer from asthma . b: don’t worry, i can’t run fast either because i am unfit! asthma n. 气喘，哮喘 a: it is my dream to be an astronaut one day. b: i too would love to see the earth from space. astronaut n. 宇航员 a: i am going to visit the new astronomy research centre in town tonight, would you like to join me? b: i’d love too, is there a good telescope to view the stars with? astronomy n. 天文学 a: they are closing down the local asylum . b: it is about time, the care facilities there were terrible. asylum n. 1.庇护，政治避难;2.精神病院 a: do you have an atlas ? i want to check where and in which ocean the tongan islands are. b: no, i don’t have one, but i think that they are in the pacific. atlas n. 地图集 a: is attendance at the lecture absolutely necessary? b: well, if you want to get credit for this course it is. attendance n. 1.出席人数;2.出席，参加，出席次数;3.护理，照料 a: i lost my wallet at the cinema yesterday. b: did you ask the attendant on duty if it was found? attendant n. 服务人员，侍者，随从 a. 伴随的，随之而产生的 a: the box of old photos that you are looking for is in the attic . b: on the right or left hand side? attic n. 阁楼 a: the auction will be held at 3pm on saturday. b: good, i’d like to set a starting price of one hundred dollars for my table. auction n./vt. 拍卖 a: even though i’m not registered in this department, will it be alright if i audit your classes? b: it is fine with me, but it is best to check with the department first. audit vt. 审计，检查(帐目) a: are all the accounts from your business in order? b: no, the auditor still needs to check them. auditor n. 审计员，稽核员 a: where will the classical concert be held? b: in the main auditorium auditorium n. 1.观众席，听众席;2.礼堂，会堂 a: he is suffering from an auditory infection. b: i hope he recovers soon. auditory a. 听觉的，听觉器官的 a: my salary will be augmented with the aid of extra hours. b: great, but don’t work too hard. augment vt. 扩大，增加，提高 a: i attended a memorial service last night. b: it must have a very austere occasion. austere a. 1.朴素的，无装饰的;2.严峻的，一丝不苟的;3.十分简朴的，苦行的 a: are you jeans authentic ? b: no, they are just cheap copies of the original brand. authentic a. 1.真的，真正的;2.可靠的，可信的 a: john has such an authoritative voice. it is frightening. b: i find him scary at times also. authoritative a. 1.权威性的，可信的;2.专断的，命令式的 a: stop! you are not authorized to enter this section of the building. b: oh, i’m sorry, i didn’t realize that i needed special permission. authorize vt. 授权，批准 a: what are you reading? b: nelson mandela’s autobiography , i highly recommend it.