今日单词 |
envelope 英 [ˈenvələʊp] 美 [ˈenvəloʊp] |
n. 信封，封皮; 壳层，外壳; 包裹物; [生物学]膜，包袋; 词根：en使……+velop包,包裹→包封, 遮盖 |
词根 |
velop =to wrap up 表示"包,包裹" |
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形近词
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develop 英 [dɪˈveləp] 美 [dɪˈvɛləp] |
vi. 发展; 生长; 形成; 发达 ; vt. 发展; 开发; 研制; 冲洗（胶片）; 词根：de分开+velop包,包裹→把包着的打开→发展, 发达 |
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development 英 [dɪˈveləpmənt] 美 [dɪˈvɛləpmənt] |
n. 发展，进化; 被发展的状态; 新生事物，新产品; 开发区; 词根：develop[v.发展, 发达, 发扬]+ment表名词→n.发展 |
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developer 英 [dɪˈveləpə(r)] 美 [dɪˈveləpər] |
n. 开发者; <摄>显影剂，显像剂; 词根：develop[v.发展, 发达, 发扬]+er人→n.开发者 |
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developable 英 [dɪ'veləpəbl] 美 [dɪ'veləpəbl] |
adj. 可发展的，可开发的，可显影的; 词根：develop[v.发展, 发达, 发扬]+able能……的→adj.可发展的;可开发的 |
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envelope
英 [ˈenvələʊp] 美 [ˈenvəloʊp]
CET4 | CET6 | 考研
n. 信封，封皮; 壳层，外壳; 包裹物; [生物学]膜，包袋;
词根：en使……+velop包,包裹→包封, 遮盖
① (N-COUNT) 信封
An envelope is there ctangular paper cover in which you send a letter to someone through the post.
② (PHRASE) 挑战限制尺度；突破原有底线
If someone pushes the envelope, they do something to a greater degree or in a more extreme way than it has ever been done before.
● There's a valuable place for fashion and design that pushes the envelope a bit...
在原有尺度上有所突破的时尚和设计受到人们的重视。
形近词：
1、develop
英 [dɪˈveləp] 美 [dɪˈvɛləp]
CET4 | CET6 | 考研
vi. 发展; 生长; 形成; 发达 ;
vt. 发展; 开发; 研制; 冲洗（胶片）;
词根：de分开+velop包,包裹→把包着的打开→发展, 发达
① (VERB) 发展;成长;发育;生长
When something develops, it grows or changes over a period of time and usually becomes more advanced, complete, or severe.
● As children develop,some of the most important things they learn have to do with their sense of self...
在成长过程中，孩子学到的一些最重要的东西与他们的自我意识有关。
② (VERB) (问题或困难)出现，产生
If a problem or difficulty develops, it begins to occur.
● A huge row has developed about the pollution emanating from a chemical plant.
一家化工厂造成的污染已经引发了激烈争论。
③ (VERB) (国家从贫穷的农业国向富有的工业国)发展
If you say that a country develops, you mean that it changes from being a poor agricultural country to being a rich industrial country.
● All countries, it was predicted, would develop and develop fast.
据预测，所有国家都会实现发展而且发展速度会很快。
2、development
英 [dɪˈveləpmənt] 美 [dɪˈvɛləpmənt]
CET4 | CET6
n. 发展，进化; 被发展的状态; 新生事物，新产品; 开发区;
词根：develop[v.发展, 发达, 发扬]+ment表名词→n.发展
① (N-UNCOUNT) 发展;成长;发育;生长;形成
Development is the gradual growth or formation of something.
● ...an ideal system for studying the development of the embryo...
研究胎儿发育过程的理想方法
② (N-UNCOUNT) (企业、行业等的)发展，扩展，壮大
Development is the growth of something such as a business or an industry.
● Education is central to a country's economic development...
教育对一个国家的经济发展至关重要。
③ (N-VAR) 研制;开发
Development is the process or result of making a basic design gradually better and more advanced.
● We are spending $850mon research and development.
我们在研发上的投入是 8.5 亿美元。
3、developer
英[dɪˈveləpə(r)] 美[dɪˈveləpər]
n. 开发者;<摄>显影剂，显像剂;
词根：develop[v.发展, 发达, 发扬]+er人→n.开发者
① (N-COUNT) （房地产）开发商，开发公司
A developer is a person or a company that buys land and builds houses, offices, shops, or factories on it, or buys existing buildings and makes them more modern.
● ...common land which would have a high commercial value if sold to developers.
如果卖给开发商会有很高商业价值的公共用地
② (N-COUNT) (想法、设计、产品等的)开发者
A developer is someone who develops something such as an idea, a design, or a product.
● John Bardeen was also co-developer of the theory of super conductivity.
约翰·巴丁也是超导电性理论的创立者之一。
③ (N-UNCOUNT) 显影剂;显色剂
Developer is a chemical used for developing photographs or films.
4、developable
英[dɪ'veləpəbl] 美[dɪ'veləpəbl]
adj. 可发展的，可开发的，可显影的;
词根：develop[v.发展, 发达, 发扬]+able能……的→adj.可发展的;可开发的