arenous的音標為[?"ri?n?s]，基本意思是"缺少必要的…的，沒有…的"；速記技巧是注意字母的發音，注意字母的拼寫。

arenous這個詞源自希臘語，其詞根為“areno”，意為“沙的，沙質的”。它的變化形式包括其過去分詞形式arenous和其形容詞形式arenic。

相關單詞：

arenaceous（沙質的）：這個詞用來形容某種物質具有沙質的感覺或特性。

arenite（砂巖）：這個詞用來描述由砂粒組成的巖石。

areniform（似沙的）：這個詞用來描述形狀類似于沙的物體或物質。

arenoid（似沙的）：這個詞用來描述某種物質具有類似沙的特性或形態。

arenaceous sand（沙質砂）：這個詞用來描述一種具有沙質感的砂。

arenic soil（沙土）：這個詞用來描述一種具有沙質特性的土壤。

以上這些單詞都與“arenous”這個詞有著密切的聯系，通過了解這些單詞的含義和用法，我們可以更好地理解這個詞的詞源和變化形式。

常用短語：

1. Arenous to the point

2. Arenous behavior

3. Arenous mood

4. Arenous response

5. Arenous behavior

6. Arenous environment

7. Arenous lifestyle

雙語句子：

1. She is an Arenus girl who loves to dance.

2. His Arenus accent is very strong.

3. The Arenus sunset was breathtaking.

4. His Arenus-like personality is hard to deal with.

5. The Arenus mountains are beautiful, but also challenging.

6. The Arenus air is fresh and invigorating.

7. I am feeling Arenus tired after a long day at work.

英文小作文：

Arenus is a small town in the mountains, with a unique and refreshing atmosphere. The air is fresh and the environment is quiet, making it a perfect place to relax and unwind. The people of Arenus are friendly and welcoming, and the food and drink are some of the best in the area. Visiting Arenus is like stepping back in time, and it is a place that everyone should experience at least once in their lifetime.