gas mask的音標是[?g?s mɑ?sk]，基本翻譯是“防毒面具”。速記技巧可以是：g-a-s-m-a-x。

英文詞源：

Gas mask的英文詞源是“gas”和“mask”的組合，其中“gas”意為氣體，“mask”意為面具或遮罩。該詞組的意思是指一種可以過濾和吸收氣體的面具，用于保護人們免受有害氣體的侵害。

變化形式：

Gas mask的復數形式是gas masks，其過去式和過去分詞也都是gas masks。

相關單詞：

1. Gas cylinder：煤氣罐

2. Air filter：空氣過濾器

3. Respirator：呼吸器

4. Amalgam mask：汞合金面具

5. Hazmat suit：危害物質防護服

6. Self-contained breathing apparatus：自給式呼吸器

7. Breathing mask：呼吸面罩

8. N95 mask：N95口罩

9. Gas detection instrument：氣體檢測儀器

10. Hazardous materials：有害物質

gas mask常用短語：

1. put on a gas mask

2. gas mask case

3. gas mask filter

4. gas mask storage

5. gas mask disposal

6. gas mask repair

7. gas mask cleaning

例句：

1. I put on my gas mask before entering the toxic factory.

2. The gas mask filter is easy to get dirty, so we need to clean it regularly.

3. The gas mask case is very important for storing and carrying the mask.

英文小作文：

Protecting ourselves from harmful gases and other hazards is crucial in our daily lives. Gas masks are essential tools that can help us to breathe safely in such dangerous environments. However, wearing a gas mask is not just about protecting ourselves from harmful gases; it is also about being prepared for any unexpected situation.

By wearing a gas mask, we can be confident and safe when entering any hazardous environment, whether it is a toxic factory, a chemical spill, or any other situation where harmful gases or other hazards may be present. It is essential to have a good supply of gas mask equipment and know how to use it properly to ensure our safety and survival in such situations.