graywater

graywater的音标为["greɪwɔːtə] ，基本翻译为“灰水”，速记技巧为：灰水=gray（灰）+water（水）。

Graywater: 词源为古英语gray（灰色）+water（水），表示经过处理后的生活污水。

变化形式：复数形式为graywaters，过去式为graywatered，过去分词为graywatered。

相关单词：

1. graywater harvesting（雨水收集）：利用graywater进行再利用的一种技术，通常用于浇灌植物。

2. graywater reuse（污水再利用）：指将经过处理的污水用于非饮用水目的的使用方式。

3. graywater treatment（污水处理）：指对graywater进行预处理或后处理的工艺或过程。

4. graywater system（污水系统）：包括收集、处理、再利用graywater的系统。

5. graywater reuse laws（污水再利用法规）：指规范graywater再利用的法律法规。

6. graywater gardening（雨水园艺）：利用graywater进行园艺活动的技术。

7. graywater reuse policy（污水再利用政策）：指政府或组织制定的关于graywater再利用的政策。

8. graywater reuse technology（污水再利用技术）：指用于处理graywater并实现再利用的技术手段。

9. graywater reuse potential（污水再利用潜力）：指某地区或某环境条件下graywater再利用的可能性。

10. graywater reuse advantages（污水再利用优势）：指graywater再利用带来的环境、经济和健康等方面的优势。

常用短语：

1. graywater harvest

2. graywater treatment

3. graywater reuse

4. graywater system

5. graywater filter

6. graywater pump

7. graywater storage

双语例句：

1. Install a graywater harvest system to save water.

2. The graywater treatment process is crucial for ensuring water quality.

3. Reusing graywater can save resources and reduce waste.

4. The graywater pump is essential for moving water to where it"s needed.

5. Care must be taken to store graywater safely for future use.

6. Graywater should be handled with caution to avoid contamination.

7. We must conserve water resources to ensure a sustainable future.

英文小作文：

Title: The Benefits of Reusing Graywater

Graywater is a valuable resource that can be reused in various ways to save water, reduce waste, and protect the environment. By harvesting, treating, and reusing graywater, we can contribute to a more sustainable lifestyle and a healthier environment for future generations.

Reusing graywater can be done in a variety of ways, such as for gardening, flushing toilets, and even watering plants indoors. By implementing a graywater system in our homes, we can significantly reduce our water usage and contribute to a healthier, greener planet.

However, it is crucial to properly harvest, treat, and store graywater to ensure its safety and purity for reuse. Care must be taken to avoid contamination and ensure that graywater is not used in places where it could cause harm or damage.

In conclusion, reusing graywater is an effective way to save water, reduce waste, and protect the environment. By implementing a graywater system in our homes, we can contribute to a more sustainable lifestyle and a healthier planet for future generations.