coffers

coffers 的音标是["kəʊfəz]，基本翻译是“钱柜，保险箱”。速记技巧是：可以联想到“库房”这个词，从而帮助记忆。

“coffer”这个词的词源可以追溯到古英语，意为“小箱”、“小匣子”。它的变化形式包括复数形式“coffers”，过去式“coffered”和过去分词“coffered”。

相关单词：

1. “treasury” - 意为“国库”、“财政库”，来源于古英语的“treo”，意为“拥有”，与“coffer”有相似的含义。

2. “vault” - 意为“地窖”、“地下室”，来源于古英语的“walu”，意为“存放”，与“coffer”有相似的用途。

3. “deposit” - 意为“存款”、“存放”，来源于古英语的“deponi”，意为“放置”、“存放”，与“coffer”有相似的功能。

以上这些单词都与“coffer”有着密切的联系，它们都表示存放物品的地方，并且通常用于保护和保管重要的物品。这些单词在英语中仍然广泛使用，并且具有丰富的含义和用法。

常用短语：

1. cofferdam

2. cofferdam construction

3. cash coffer

4. hoist one"s coffers

5. take in one"s coffers

6. empty one"s coffers

7. fill one"s coffers

例句：

1. The construction of a cofferdam is a complex task that requires careful planning and precise execution.

2. The government has been emptying its coffers to provide aid to those affected by the recent natural disasters.

3. The company is hoisting its coffers after a successful campaign and is now ready to expand its operations.

4. After years of hard work, the company has filled its coffers with profits and is now able to invest in new projects.

5. The government is taking in its coffers the taxes it collects to provide essential services to its citizens.

6. The bank manager is emptying his coffers of cash to help those who have been affected by the recent economic downturn.

7. The company"s success has emptied the coffers of its competitors, leaving them struggling to keep up with the market demand.

英文小作文：

Cofferdams are essential for building projects that require a water-tight environment, such as tunnels or foundations for bridges. They are constructed using a series of walls that block the flow of water, creating a dry workspace for construction workers to work on the project safely and efficiently. However, they also pose a challenge in terms of managing the water pressure within the structure, ensuring that it does not collapse under its own weight or from external forces. Therefore, it is essential to use high-quality materials and skilled workers to construct a cofferdam that will withstand the test of time and provide a safe and effective workspace for the project. In addition, it is also important to monitor the financial resources of the company, as it will determine its ability to expand its operations and maintain its competitive edge in the market. If a company"s coffers are empty, it may struggle to maintain its operations and may be forced to close down due to financial difficulties. However, if a company has filled its coffers with profits, it can invest in new projects and expand its operations, thus creating more job opportunities and contributing to the growth of the economy.