foulness的音標是["fa?ln?s]，翻譯為“污穢；罪惡；惡劣；骯臟”的意思。

速記技巧：可以記為“foul（foul）＋ness（名詞后綴）”。

foulness的英文詞源是拉丁語“foulere”，意為“弄臟，污染”。

變化形式：復數形式為foulnesses。

相關單詞：

1. foul - 形容詞和動詞，意為“骯臟的，下流的；弄臟，污染”。

2. foul play - 意為“卑劣的作弊行為”。

3. foul smell - 意為“惡臭”。

4. foul language - 意為“粗話，臟話”。

5. foul weather - 意為“惡劣的天氣”。

6. foul-up - 意為“混亂，搞糟”。

7. foul-up in the works - 意為“工作上的混亂”。

8. foul-up in the plans - 意為“計劃中的混亂”。

9. foul-up in the equipment - 意為“設備上的故障”。

10. foul-up in the handling of money - 意為“處理錢財時的混亂”。

以上單詞都與foulness有直接或間接的聯系，體現了其作為形容詞的含義，如骯臟、下流、弄臟等。同時，也體現了其作為名詞時，可以表示污染、惡劣行為等含義。

foulness短語：

1. foulness of language

2. foulness of smell

3. foulness of tone

4. foulness of thought

5. foulness of behavior

6. foulness of atmosphere

7. foulness of condition

例句：

1. His foul language made the whole room uncomfortable.

2. The smell of the room was foul, making it difficult to concentrate.

3. His tone was foul, making me feel uneasy.

4. His behavior was foul, showing a lack of respect for others.

5. The foul atmosphere in the room made me feel uneasy and anxious.

6. The foul condition of the city makes it difficult to attract tourists.

7. The foul smell of the garbage in the street is a constant reminder of the city"s filth.

英文小作文：

Foulness is a common problem in our daily lives, whether it"s the smell of dirty dishes in the kitchen, the dirty streets, or the unpleasant language and behavior of others. We all encounter foulness in our lives, and it can make us feel uncomfortable and unhappy. However, we can"t just ignore it or complain about it without taking action to improve it. We need to take responsibility for our own actions and try to make a positive change in our environment and community. By cleaning up our streets, planting more trees and flowers, and respecting others, we can create a more pleasant and healthy environment for ourselves and others around us. In this way, we can make a contribution to a better world and create a more civilized society.