coalpit

coalpit的音标是["kəʊlɪpɪt]，翻译为“煤坑；矿坑；矿井；矿坑地”的意思。其速记技巧是：coal（煤）+ pit（坑）→煤坑。

Coalpit这个词的英文词源可以追溯到英语中的coal，表示煤炭，pit则表示坑洞或矿坑。因此，coalpit可以理解为煤炭矿坑。

变化形式：

1. Coal pit（煤炭矿坑）

2. Coal mine（煤矿）

相关单词：

1. Coal industry（煤炭工业）：这个词通常用来描述煤炭开采和加工的行业。

2. Coal mining（采煤）：这是指从煤炭矿坑中开采煤炭的活动。

3. Coal mining equipment（采煤设备）：包括采煤机、挖掘机等设备，用于煤炭开采。

4. Coal transportation（煤炭运输）：煤炭开采出来后需要运输到市场或发电厂等地方。

5. Coal-fired power plant（燃煤发电厂）：使用煤炭作为燃料的发电厂。

6. Coal-to-liquid technology（煤制油技术）：一种将煤炭转化为液体燃料的技术。

7. Coal bed methane（煤层气）：指储存在煤层中的天然气，可以通过开采获得。

8. Coal ash（煤灰）：指煤炭燃烧后的残留物，通常需要处理以防止环境污染。

9. Coal-fired boiler（燃煤锅炉）：一种使用煤炭作为燃料的加热设备。

10. Coal-powered economy（煤炭经济）：指以煤炭为主要能源的经济体系，现在正在逐渐转向可再生能源。

Coalpit这个词在英语中常常用来指代煤炭开采和利用的相关活动和产业，随着环保意识的提高，这个词也常常用来强调煤炭开采对环境的影响。

常用短语：

1. coal pit - 煤矿坑

2. coal mining - 采煤

3. coal-fired power plant - 燃煤发电厂

4. coal seam - 煤层

5. coal mining equipment - 采煤设备

6. coal mining safety - 采煤安全

7. coal transportation - 煤炭运输

双语例句：

1. Coal mining is a dangerous job that requires strict safety measures. (采煤是一项危险的工作，需要严格的安全措施。)

2. The coal-fired power plant is one of the main sources of electricity in our city. (燃煤发电厂是我们城市的主要电力来源之一。)

3. The coal seam is a rich source of energy that can be used to generate electricity and heat. (煤层是一种丰富的能源来源，可用于发电和供暖。)

4. Coal mining equipment is essential for safely and efficiently extracting coal from the ground. (采煤设备对于安全有效地从地下提取煤炭至关重要。)

5. Coal transportation is a crucial part of the energy supply chain, ensuring the reliable supply of coal to power plants and factories. (煤炭运输是能源供应链中至关重要的部分，确保煤炭能够可靠地供应给发电厂和工厂。)

6. Mining safety is a top priority for coal mining companies, as accidents can have catastrophic consequences. (采矿安全是煤炭开采公司最优先考虑的问题，因为事故可能造成灾难性后果。)

7. The coal pit is a place where coal is extracted from the ground, often in dangerous conditions. (煤矿坑是一个从地下提取煤炭的地方，通常在危险条件下进行。)

英文小作文：

Coal pit is a place where coal is extracted from the ground, often in dangerous conditions. It is a crucial part of the energy supply chain, as it provides a vital source of energy for power plants and factories. However, mining coal requires strict safety measures to ensure that workers are protected from potential hazards. Mining companies must invest in advanced equipment and hire experienced workers to safely extract coal from the ground. In addition, coal mining also has a negative environmental impact on the environment, as it can cause air and water pollution. Therefore, it is important to find alternative sources of energy that are less harmful to the environment. Nevertheless, coal remains an essential source of energy for many countries, as it is a cheap and reliable source of energy that can be used to generate electricity and heat.