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| NOUN |
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| /beɪs/ |
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| 1 | the bottom part , edge , or surface of something 底部；底边；底面 |
| a tall cliff, with a narrow footpath at its base 底部边缘有一条狭窄小路的高高的悬崖 |
| +of The pituitary gland is at the base of the brain. 垂体腺位于大脑的底部。 |
| The manufacturer’ s name is printed on the base of the vase. 制造者的名字印在花瓶的底部。 |
| | 1a | the bottom part or section of something , that supports the rest of it 底座 | | The statue stands on a large round base. 塑像立在一个圆形大底座上。 | | +of The base of your bed is as important as the mattress. 你的床的底座和床垫一样重要。 | |
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| 2 | a place from which an activity can be planned, started, or carried out 基地；根据地；总部 |
| +for Terrorists had been using the warehouse as a base for their operations. 恐怖分子一直把这个仓库用作活动据点。 |
| Hikers find this a convenient base for their mountain expeditions. 徒步旅行者发现这里是登山考察的适宜基地。 |
| | 2a | a place where members of the armed forces live and work 军事基地 | | a US naval base 美国海军基地 | |
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| 3 | a set of ideas, facts, achievements etc from which something can develop 基础；根据 |
| Income from magazine publishing provides the company with a strong financial base. 出版杂志的收入为公司提供了雄厚的财政基础。 |
| +for The report will give us a base for building a better healthcare system. 这份报告将为我们建立更好的医疗保障制度提供依据。 |
| +of a broad base of experience/knowledge/expertise 广博的经验/知识/专长基础 |
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| 4 | a group of people who use a particular service or do a particular job （享受某一服务或做某工作的）一群人 |
| They have built a loyal customer base. 他们建立了忠实的顾客群。 |
| +of The team has a base of strong players. 这支球队有一批有实力的球员。 |
| | 4a | a group of people who support someone or something , for example with money or votes （某人或某事的）一群支持者 | | He has a large base of support within the party. 在党内他有一大批支持者。 | |
| | 4b | a group of businesses or industries that form an important part of an economy （经济的）基础，支柱 | | Britain’ s manufacturing base was weak and deteriorating. 英国的制造业基础很弱，而且每况愈下。 | |
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| 5 | one of the four places on a baseball or rounders field that a player must touch in order to score points （棒球或圆场棒球的）垒 |
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| 6 | a food or substance that is the main food or substance to which other things are added （食物或物质的）主要成分 |
| Use the stock as a base for your sauce. 用原汤作调味汁的主要成分。 |
| paint with a water base 水基涂料 |
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| 7 | science a chemical substance that reacts with an acid to form a salt 碱；盐基 |
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| 8 | technical a number that is used to form a system of counting. The usual system of counting uses base 10, and the binary system used in computers uses base 2. 基数（通常的计数系统以10为基数，计算机的二进制系统以2为基数） |
| PHRASES |
| - | off base AMERICAN informal
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| not right or accurate |
| 不对的；不精确的 |
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| - | touch base
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| to communicate with someone that you have not seen for some time in order to find out how they are , what is happening etc |
| 联系；接触 |
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