从以下词典查找：
历史：
高考 CET-4 考研 GRE BNC: 514 COCA: 536
base verb | noun | adjective
 1 
base / bes ; beIs /verb T usually passive
1. to have your main place of work, business etc in a particular place把基地设在…，以…为基地:
•The paper had intended to base itself in London.这家报社原来打算把总部设在伦敦。
be based in sth
•The new organization will be based in Dallas.这个新的机构总部将设在达拉斯。
⇒BASED
 PHRASAL VERBS 
base sth on / upon sth
to use something as the thing from which something else is developed以…为基础，以…为根据:
•Their relationship was based upon mutual respect.他们之间的关系以相互尊重为基础。
•an economy based on farming以农业为基础的经济
 2 
basenoun
1. LOWEST PART 最低的部分, C usually singular
a. the lowest part or surface of something底部; 根基; 基础;SYNbottom
[+ of ]
•There is a door at the base of the tower.塔基上有一扇门。
•the base of a triangle三角形的底边
•a frozen dessert with a biscuit base一个以脆饼作底的冻甜品
•a wine glass with a heavy base一个杯底很重的葡萄酒杯
•The leather of his left trainer was coming away from its rubber base.他左脚运动鞋上的皮面快要从橡胶底上脱落下来了。
b. the lowest point on a plant or part of your body, where it joins another part〔植物或身体部位的〕基部; 连接处;SYNbottom
[+ of ]
•a hole in the base of the tree这棵树根部的一个洞
•He was killed by an axe blow to the base of his skull.他是颅底遭斧子重创死亡的。
2. KNOWLEDGE / IDEAS 知识/想法, Cthe most important part of something, from which new ideas develop〔思想的〕基础;SYNfoundation
•India has a good scientific research base.印度有良好的科研基础。
[+ for ]
•They were laying the base for a new economic recovery.这些给经济的再次复苏打下了基础。
3. MILITARY 军事, Ca place where people in a military organization live and work〔军事〕基地:
military / naval / air base军事/海军/空军基地
4. COMPANY / ORGANIZATION 公司/组织, C,Uthe main place from which a person, company, or organization controls their activities基地，根据地，总部，大本营:
[+ for ]
•He used the house as a base for his printing business.他把这所房子作为他印刷生意的总部。
5. PEOPLE / GROUPS 人/群体, C usually singularthe people, money, groups etc that form the main part of something〔人、经济、集团等的〕基础，支柱:
•The company has built up a loyal customer base .该公司已经建立了一个稳健的客户基础。
•By broadening the tax base (=all the people who pay taxes), he could raise more revenues.通过扩大征税基础，他就可以增加财政收入。
•an attempt to strengthen the city's economic base (=things that produce jobs and money)加强本市经济基础的一项举措
•The country's manufacturing base (=all the factories, companies etc that produce goods in a country) has shrunk by 20%.该国的制造业基础萎缩了 20%。
⇒POWER BASE
6. SUBSTANCE / MIXTURE 物质/混合物, sing., Uthe main part of a substance, meal etc to which other things are added基础成分，主要成分:
•paint with an oil base油基涂料
[+ for ]
•Vodka is the base for many cocktails.伏特加是许多鸡尾酒的主要成分。
7. SPORT 体育运动, Cone of the four places that a player must touch in order to get a point in games such as BASEBALL〔棒球等的〕垒
8. be off base AmE informalto be completely wrong完全错误，离谱:
•His estimate for painting the kitchen seems way off base.他对粉刷厨房的费用估计似乎完全错了。
9. CHEMICAL 化学品, Ctechnicala chemical substance that combines with an acid to form a SALT碱，盐基
10. NUMBERS 数目, C usually singulartechnicalthe number in relation to which a number system or mathematical table is built up, for example 10 in the DECIMAL system基数〔如十进制的 10〕
11. touch base (with sb) to talk to someone to find out what is happening about something（跟某人）联系上
—basal adj.
⇒cover(all) the bases at COVER¹ (12)
 3 
baseadjective
1. not having good moral principles卑鄙的，下流的，无耻的:
•base attitudes and desires卑鄙的念头和欲望
⇒BASE METAL

© Copyright 2018