asteroidal

asteroidal的音标为["æstərəʊlɪd]，基本翻译为“星状体的；星状的；星形的”，速记技巧为“星体(ast) + 形(oid) = 星形(asteroidal)”。

Asteroid这个词源于希腊语中的“aster”和“oida”，意思是“小行星”。它的变化形式包括复数形式“asteroids”和过去式和过去分词形式“asteroid”。

相关单词：

1. Main Belt：这是小行星带中最明显的一条，由大量的小行星组成，被称为“主带”。

2. Orbit：小行星的轨道是一个椭圆形的轨迹，这个词汇在天文和物理学中非常常见。

3. Asteroid Field：小行星带因其大量的小行星而被称为“asteroid field”，这是一个天文学上的术语。

4. Asteroseismology：这是一个天文学分支，研究小行星的内部结构，这个词汇由“asteroseismology”和“astro”组成，表示天体内部结构的研究。

5. Asteroidal：这个词用来形容小行星的特征或性质，例如Asteroidal Rocks指的是在小行星带中发现的岩石。

6. Asteroidal Belt Composition：这个短语指的是小行星带的组成成分，这个领域的研究对于理解太阳系的早期历史非常重要。

7. Asteroid Mining：小行星采矿是一种新兴的太空经济活动，这个词表示在小行星上开采资源的过程。

8. Asteroid Deflection：这个词表示为了防止小行星撞击地球而进行的轨道偏移操作。

9. Asteroid Impact Mitigation：这个词表示为了减少小行星撞击地球的风险而采取的措施。

10. Asteroid Dynamics：这个词表示小行星的运动学，是天文学的一个重要领域，研究小行星如何运动、如何相互作用等。

常用短语：

1. asteroid belt

2. cross paths with

3. make a close encounter with

4. asteroid mining

5. asteroid deflection

6. asteroid impact

7. asteroid weathering

例句：

1. The asteroid belt is a region of space containing many small rocks.

2. Two asteroids are predicted to cross paths with Earth in the next few years.

3. We hope to establish a base on an asteroid for mining resources.

4. A failed attempt to deflect an asteroid caused widespread panic.

5. The impact of an asteroid caused widespread damage and loss of life.

6. Asteroid weathering is a process that occurs over millions of years.

英文小作文：

Asteroids and the Future of Space Exploration

In the vast expanse of space, the asteroid belt is a mysterious and fascinating region. It is a collection of countless small rocks that orbit between Mars and Jupiter, forming a unique and challenging environment for space exploration. As we continue to push the boundaries of space exploration, the asteroid belt holds many potential opportunities and challenges for future missions.

One area of interest is asteroid mining, where companies and countries hope to extract valuable resources such as iron, nickel, and precious metals that are difficult to find on Earth. Another area of exploration is asteroid deflection, where scientists and space agencies aim to develop technologies that can safely redirect an asteroid away from a potential impact with Earth. Finally, asteroid weathering could provide insight into the formation of our solar system, studying how these small rocks change over time through processes such as erosion and crystallization.

The asteroid belt serves as a reminder that space exploration is not only about distant stars and distant planets, but also about the rich and diverse environments that exist right here on our own planetary neighborhood. As we continue to explore the vastness of space, the asteroid belt serves as a reminder of the endless possibilities and challenges that lie ahead.