demand的音標是[d??mɑ?nd]，基本翻譯是“要求；需要；詢問”，速記技巧是：詞根+前綴+詞根=單詞本身含義。

demand的詞源：

詞根：demand，來自拉丁語demandare，意為“要求”。

詞綴：- demand，加上后綴-tion，構成英語單詞demand。

變化形式：

原形：demand

第三人稱單數：demands

現在分詞：demanding

過去式：demanded

過去分詞：demanded

相關單詞：

1. demand和supply：這兩個詞在經濟學中常常一起使用，表示供需關系。當需求量大時，供應量就會受到影響，反之亦然。

2. demand和ask：這兩個詞都可以表示要求或請求，ask更常用于口語中，而demand則更正式。

3. demand和desire：這兩個詞都可以表示欲望或要求，但desire通常更強調愿望或情感上的渴望。

例句：The government must respond to the public"s demand for better education and healthcare.（政府必須回應公眾對更好的教育和醫療保健的需求。）

解釋：demand是一個常用的英語單詞，表示要求或請求。這個詞的詞源可以追溯到拉丁語demandare，意為“要求”。這個詞的變化形式包括原形、第三人稱單數、現在分詞、過去式和過去分詞。demand和supply、ask、desire等單詞都有密切的聯系，可以用于描述經濟學的供需關系和情感上的需求。

常用短語：

1. demand for

2. high demand

3. demand exceeds supply

4. demand-side

5. demand curve

6. demand for justice

7. demand for education

雙語例句：

1. The market is experiencing a high demand for new homes. (市場上對新住房的需求很高。)

2. The government"s policies are aimed at meeting the demand for better education. (政府政策旨在滿足對更好教育的需求。)

3. The demand exceeds supply in this area, so prices are high. (這個地區的供求不平衡，所以價格很高。)

4. The company"s products are in high demand due to their excellent quality and competitive prices. (由于產品質量優秀，價格具有競爭力，公司的產品需求很高。)

5. The demand for renewable energy is on the rise globally. (全球對可再生能源的需求正在上升。)

6. The demand for healthy food is increasing among consumers. (消費者對健康食品的需求正在增加。)

7. We must meet the demand for clean water in developing countries. (我們必須滿足發展中國家對清潔水的需求。)

英文小作文：

Demand for Energy Resources in the Future

In the future, we will face increasing demands for energy resources, especially in developing countries where economic growth and industrialization are accelerating. The demand for energy resources will be driven by population growth, urbanization, industrialization, and rising living standards, among other factors. However, we must also take into account the environmental and economic impacts of energy production and consumption, as well as the need to conserve resources and reduce waste. Therefore, we need to promote sustainable energy sources and develop renewable energy resources to meet the growing demands of future generations.