coal field的音標(biāo)為["k??l fe?ld]，基本翻譯為“煤田”或“產(chǎn)煤區(qū)”。速記技巧可以考慮將“coal”和“field”兩個(gè)單詞結(jié)合記憶，或者將“field”聯(lián)想為“田野”，與“煤”相關(guān)的場(chǎng)景進(jìn)行聯(lián)想記憶。

coal field的英文詞源：

coal field這個(gè)詞源自于英語(yǔ)，其詞義與來源地有關(guān)。它來源于拉丁語(yǔ)中的“coa”和“field”，這兩個(gè)詞分別表示煤炭和田野。因此，coal field的意思就是“煤炭礦區(qū)”或“煤炭產(chǎn)地”。

變化形式：

在英語(yǔ)中，coal field的形式?jīng)]有發(fā)生太大的變化，它保持了原始的形式。

相關(guān)單詞：

1. coal mining（煤炭開采）：這個(gè)詞是由coal和mining組成的，表示開采煤炭的活動(dòng)。

2. coal industry（煤炭工業(yè)）：這個(gè)詞是由coal和industry組成的，表示煤炭開采和加工的行業(yè)。

3. coal bed（煤層）：這個(gè)詞是由coal和bed組成的，表示煤炭層或煤炭堆積層。

4. coal seam（煤層）：這個(gè)詞與coal bed相似，但表示的是具體的煤層或煤炭堆積層。

5. coal-bearing（含煤的）：這個(gè)詞是由coal和bearing組成的，表示含有煤炭的。

6. coal-rich（富煤的）：這個(gè)詞是由coal和rich組成的，表示煤炭資源豐富的。

7. coal-fired（燃煤的）：這個(gè)詞是由coal和fire組成的，表示使用煤炭作為燃料的。

8. coal-gasification（煤氣化）：這個(gè)詞是由coal和gasification組成的，表示將煤炭轉(zhuǎn)化為氣體燃料的過程。

9. coal-bed methane（煤層氣）：這個(gè)詞是由coal-bed和methane組成的，表示從煤炭層中提取的氣體燃料。

10. coal-to-liquor（煤制油）：這個(gè)詞是由coal和liquor組成的，表示將煤炭轉(zhuǎn)化為液體燃料的過程。

總之，coal field這個(gè)詞在英語(yǔ)中表示煤炭礦區(qū)或煤炭產(chǎn)地，相關(guān)的單詞也與煤炭開采、加工、利用等有關(guān)。

常用短語(yǔ)：

1. coal mining field

2. coal-bearing field

3. coal-rich field

4. coal-mining area

5. coal-field reserve

6. coal-field exploration

7. coal-field development

例句：

1. We are working in a coal-field reserve to protect the environment and ensure energy supply.

2. The government is investing in the development of a new coal-field in order to increase the country"s energy resources.

3. Coal mining has caused environmental damage in some coal-field areas.

4. The exploration of a new coal-field is a complex process that requires careful planning and management.

5. The government should invest more in the development of coal-field reserves to ensure energy security for the future.

英文小作文：

Coal is an important source of energy in many countries, and coal-field reserves are crucial for its production. However, the development of coal-fields can have negative impacts on the environment, such as soil erosion and water contamination. Therefore, it is essential to ensure that the exploration and development of coal-fields are carried out in a sustainable manner that balances environmental protection and energy production.

In order to achieve this, it is necessary to invest in advanced technology and equipment for mining operations, as well as to implement strict environmental protection measures and policies. By doing so, we can ensure that coal-field reserves are developed in a way that benefits both the environment and society as a whole.