base
美音:[beıs
]
英音:[beıs
]
n.底部,基础,根据地,基地,本部,基数,(运动)出发点 vt.以...作基础,基于... adj.卑鄙的,低级的
难易程度:
base为高中词汇
词频:1070
词形变化:
形容词比较级:baser 最高级:basest 副词:basely 动词过去式:based 过去分词:based 现在分词:basing 第三人称单数:bases
近义词, 同义词
permutation combination variation election ratio proportion comparison progression arithmetical progression geometrical progression percentage power root exponent logarithm antilogarithm modulus base differential integralbase basement plinth pedestal wainscot baseboard bedrock foundation support substructure substratum ground earth pavement floor paving flag carped ground floor deck footing ground work basis
相关词
base
/beɪs; bes/
n
1 (a) lowest part of sth, esp the part on which it rests or is supported （某物的）底部; （尤指）底座, 基底
*the base of a pillar, column, etc 柱基等.
(b) (geometry 几) line or surface on which a figure stands 底边; 底面
*the base of a triangle, pyramid, etc 三角形的底边、角锥体的底面等.
(c) (fig 比喻) starting-point; underlying principle 起点; 基本原则
*She used her family's history as a base for her novel. 她把她一家人的经历作为她小说的蓝本.
* His arguments had a sound economic base. 他的立论在经济方面是有充分根据的.
2 (chemistry 化) substance (eg an alkali) capable of combining with an acid to form a salt 可与酸化合成盐的物质（如硷）; 盐基.
3 main part or ingredient to which other things are added 混合配料的主要成分
*a drink with a rum base 以朗姆酒为主要成分的饮料
* Some paints have an oil base. 有些颜料是以油脂作为主要成分.
* Put some moisturizer on as a base before applying your make-up. 使用化妆品之前先用点润肤脂打底.
4 place at which armed forces, expeditions, etc have their stores （军队、探险队等的）基地, 根据地
*a `naval base 海军基地
* an `air base 空军基地
* [attrib 作定语] a base camp, eg for a mountaineering expedition 大本营（如为登山队所建者）
* establish, set up a base 建立、设立根据地.
5 (mathematics 数) number on which a numerical system is built up, eg
10 in the decimal system,
2 in the binary system 基数（如十进制系统以10为基数, 二进制系统以2为基数）.
6 (in baseball) each of the four positions to be reached by a runner （棒球）垒. =>illus at baseball 见baseball之插图.
7 (idm 习语) not get to first base => first base (first1). off base (US infml 口)
(a) mistaken 错误的
*You're a bit off base there. 你在那个地方有点不对头.
(b) unprepared 毫无准备的
*Her reply caught him off base. 她的答覆使他不知所措.
/beɪs; bes/
v
1 [Tn.pr] ~ sth on sth use sth as grounds, evidence, etc for sth else 以某事物为另一事物的根据、证据等
*I base my hopes on the good news we had yesterday. 我把希望寄托在我们昨天得到的好消息上.
* This novel is based on historical facts. 这部小说是以历史事实为根据的.
* Direct taxation is usually based on income, ie A person's income is used to calculate the amount of tax he has to pay. 直接税通常以收入为依据（根据个人收入计算出应交税款的数额）.
2 [esp passive 尤用于被动语态
*Tn.pr, Tn.p] ~ sb in/at... place sb in (a place from which to work and travel) 把某人安置在（某地进行工作和活动）
*Where are you based now? 现在把你安置在哪里工作了?
* Most of our staff are based in Cairo. 我们大部分工作人员都驻在开罗.
/beɪs; bes/
adj (-r, -st)
1 (fml derog 文, 贬) dishonourable; despicable 不光彩的; 卑鄙的
*acting from base motives 从卑鄙动机出发的行动.
2 not pure 不纯的
*base coin 搀有贱金属的硬币.
3 low in value 不值钱的
*base metal 贱金属.
n
1 (a) lowest part of sth, esp the part on which it rests or is supported （某物的）底部; （尤指）底座, 基底
*the base of a pillar, column, etc 柱基等.
(b) (geometry 几) line or surface on which a figure stands 底边; 底面
*the base of a triangle, pyramid, etc 三角形的底边、角锥体的底面等.
(c) (fig 比喻) starting-point; underlying principle 起点; 基本原则
*She used her family's history as a base for her novel. 她把她一家人的经历作为她小说的蓝本.
* His arguments had a sound economic base. 他的立论在经济方面是有充分根据的.
2 (chemistry 化) substance (eg an alkali) capable of combining with an acid to form a salt 可与酸化合成盐的物质（如硷）; 盐基.
3 main part or ingredient to which other things are added 混合配料的主要成分
*a drink with a rum base 以朗姆酒为主要成分的饮料
* Some paints have an oil base. 有些颜料是以油脂作为主要成分.
* Put some moisturizer on as a base before applying your make-up. 使用化妆品之前先用点润肤脂打底.
4 place at which armed forces, expeditions, etc have their stores （军队、探险队等的）基地, 根据地
*a `naval base 海军基地
* an `air base 空军基地
* [attrib 作定语] a base camp, eg for a mountaineering expedition 大本营（如为登山队所建者）
* establish, set up a base 建立、设立根据地.
5 (mathematics 数) number on which a numerical system is built up, eg
10 in the decimal system,
2 in the binary system 基数（如十进制系统以10为基数, 二进制系统以2为基数）.
6 (in baseball) each of the four positions to be reached by a runner （棒球）垒. =>illus at baseball 见baseball之插图.
7 (idm 习语) not get to first base => first base (first1). off base (US infml 口)
(a) mistaken 错误的
*You're a bit off base there. 你在那个地方有点不对头.
(b) unprepared 毫无准备的
*Her reply caught him off base. 她的答覆使他不知所措.
/beɪs; bes/
v
1 [Tn.pr] ~ sth on sth use sth as grounds, evidence, etc for sth else 以某事物为另一事物的根据、证据等
*I base my hopes on the good news we had yesterday. 我把希望寄托在我们昨天得到的好消息上.
* This novel is based on historical facts. 这部小说是以历史事实为根据的.
* Direct taxation is usually based on income, ie A person's income is used to calculate the amount of tax he has to pay. 直接税通常以收入为依据（根据个人收入计算出应交税款的数额）.
2 [esp passive 尤用于被动语态
*Tn.pr, Tn.p] ~ sb in/at... place sb in (a place from which to work and travel) 把某人安置在（某地进行工作和活动）
*Where are you based now? 现在把你安置在哪里工作了?
* Most of our staff are based in Cairo. 我们大部分工作人员都驻在开罗.
/beɪs; bes/
adj (-r, -st)
1 (fml derog 文, 贬) dishonourable; despicable 不光彩的; 卑鄙的
*acting from base motives 从卑鄙动机出发的行动.
2 not pure 不纯的
*base coin 搀有贱金属的硬币.
3 low in value 不值钱的
*base metal 贱金属.
base
The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms.
1. But it was still too short a period for men to base a calendar on.
但时间依然太短，人们无法以此为据制定历法。
2. But with such a large population base, the country must still convert millions more to the idea of birth control if it is to reach its population targets.
但是因为该国的人口基数十分大，要想达到政府的人口目标，印尼还必须再转变几百万人的思想，让他们接受节制生育的观念。
3. To betray a friend is a base action.
出卖朋友是最卑鄙的。
4. Two days later a message came in from the North Carolina Marine Corps base informing the Brooklyn Red Cross that the real son was on his way to Brooklyn for his father's funeral.
两天后，北卡罗来纳海军陆战队基地给布鲁克林红十字会发来一份通知：真正的儿子正在来布鲁克林参加父亲葬礼的路上。
5. At the base of the gold cap, the words ´made in the U. S. A. ´ had been neatly inscribed.
在金笔套的底部，整齐地刻着“美国造”的字样。
6. At the base of the gold cap, the words ´made in the U.S.A.´ had been neatly inscribed.
金笔帽下方整齐地刻有"美国制造"字样。
7. Protein is the base of life.
蛋白质是生命的基础。
8. Comedians base their jokes on tragic situations like violent death or serious accidents.
喜剧演员根据悲剧情节诸如暴死，重大事故等来编造笑话。
9. Clouds hung over our air base, but I knew that soon I would be above the clouds, where the sun was shining.
此时云层正笼罩在我们空军基地的上空，但我知道，很快我将升至云端之上，那里阳光灿烂。
10. Observers say the program has succeeded in strengthening the country’s agricultural base and bringing a new source of wealth to villagers.
观察家们称该计划已成功地巩固了该国的农业基础，而且还给村民们带来了新的财源。
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但时间依然太短，人们无法以此为据制定历法。
2. But with such a large population base, the country must still convert millions more to the idea of birth control if it is to reach its population targets.
但是因为该国的人口基数十分大，要想达到政府的人口目标，印尼还必须再转变几百万人的思想，让他们接受节制生育的观念。
3. To betray a friend is a base action.
出卖朋友是最卑鄙的。
4. Two days later a message came in from the North Carolina Marine Corps base informing the Brooklyn Red Cross that the real son was on his way to Brooklyn for his father's funeral.
两天后，北卡罗来纳海军陆战队基地给布鲁克林红十字会发来一份通知：真正的儿子正在来布鲁克林参加父亲葬礼的路上。
5. At the base of the gold cap, the words ´made in the U. S. A. ´ had been neatly inscribed.
在金笔套的底部，整齐地刻着“美国造”的字样。
6. At the base of the gold cap, the words ´made in the U.S.A.´ had been neatly inscribed.
金笔帽下方整齐地刻有"美国制造"字样。
7. Protein is the base of life.
蛋白质是生命的基础。
8. Comedians base their jokes on tragic situations like violent death or serious accidents.
喜剧演员根据悲剧情节诸如暴死，重大事故等来编造笑话。
9. Clouds hung over our air base, but I knew that soon I would be above the clouds, where the sun was shining.
此时云层正笼罩在我们空军基地的上空，但我知道，很快我将升至云端之上，那里阳光灿烂。
10. Observers say the program has succeeded in strengthening the country’s agricultural base and bringing a new source of wealth to villagers.
观察家们称该计划已成功地巩固了该国的农业基础，而且还给村民们带来了新的财源。
更多句子>>>
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