air balloon

air balloon的音标是[ˈeə baʊlən]，基本翻译是“热气球”。速记技巧是：air 空气，balloon 气球，连读爆破。

Air balloon（气球）这个词的英文词源可以追溯到拉丁语和希腊语，其中“aere”（空气）和“bolus”（球）的组合。这个词在英语中经历了许多变化形式，包括balloon（气球）、blimp（气囊）、lift（提升）、ascend（上升）、inflation（膨胀）、buoyancy（浮力）、lift-off（起飞）、ascension（升天）、liftoff（起飞）和aerostat（飞升物）。

气球作为一种升空工具，在人类历史上扮演了重要的角色。随着科技的发展，气球的应用也从娱乐活动扩展到了科学研究和军事用途。气球的变化形式和相关单词反映了其历史发展和现代应用，同时也展示了语言的发展和演变。

总之，air balloon这个词的英文词源、变化形式和相关单词都反映了语言的历史、应用和演变，也展示了人类对升空工具的不断探索和创新。

常用短语：

1. hot air balloon

2. ride in a balloon

3. take off in a balloon

4. rise up into the air

5. float along the ground

6. go up in flames

7. burst into flames

例句：

1. We rode in a hot air balloon and took pictures of the beautiful scenery.

2. The balloon rose into the air and we could see the ground far below us.

3. The balloon burst into flames and we all ran away in panic.

4. The sky was clear and perfect for taking pictures, until a sudden storm came up and we had to land quickly.

5. The balloon floated along the ground for hours, until it finally landed safely.

6. The hot air balloon was a great way to see the city from above, and we will definitely do it again next time we are in town.

7. The excitement of taking off in a hot air balloon is unforgettable, and I would recommend it to anyone who wants to experience something new and exciting.

英文小作文：

标题：Hot Air Balloon Ride

I recently had the opportunity to take a hot air balloon ride and it was an experience I will never forget. As the sun rose over the horizon, we lifted off into the sky, floating above the ground like a bird in flight. I could see the world below me, a beautiful patchwork of green fields, blue sky, and golden sunshine. The air was crisp and clear, and I could feel the wind in my face, making me feel free and light. It was an incredible feeling of freedom and joy that I will always remember. If you ever have the chance to take a hot air balloon ride, I strongly recommend it. It is an experience that will leave you feeling exhilarated and full of wonder.