asteroid

asteroid的音标为[ˈæstrəʊɪd] ，基本翻译为“小行星”，速记技巧为：它是一个名词，所以直接读出来即可。

Asteroid这个词源自希腊语词根“aster”，意为“星”或“小行星”。这个词在古希腊神话中常用来指代小行星或流星。

变化形式：复数形式为asteroids，形容词形式为asteroidal。

相关单词：

1.asterisk：星号，星号通常用于表示乘号或被忽略的数字或文本。

2.asteroid belt：小行星带，指的是太阳系内沿地球轨道的密集小行星群。

3.asteroid mining：小行星采矿，指的是对小行星上的资源进行开采的活动。

4.asteroid impact：小行星撞击，指的是小行星撞击地球或其他天体的现象。

5.asteroid deflection：小行星偏转，指的是为了防止小行星撞击地球而采取的措施。

6.asteroid watch：小行星观察，指的是对可能对地球构成威胁的小行星进行监测和预警的工作。

7.asteroid hunter：小行星猎人，指的是专门寻找和追踪小行星的人。

8.asteroid impact avoidance maneuver：避免小行星撞击的机动动作，指的是为了防止小行星撞击地球而采取的紧急措施。

9.asteroid remnant：小行星残骸，指的是在撞击后剩余的小行星碎片或残留物。

10.asteroid classification：小行星分类，指的是根据小行星的大小、形状、轨道等特征对它们进行分类的方法。

常用短语：

1. asteroid belt

2. asteroid mining

3. asteroid impact

4. asteroid deflection

5. asteroid discovery

6. asteroid survey

7. asteroid hazard

例句：

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

2. Mining companies are interested in asteroid mining for its potential wealth of resources.

3. The impact of that asteroid caused widespread damage to the surrounding environment.

4. The successful deflection of an incoming asteroid saved the planet from a catastrophe.

5. Scientists have discovered several new asteroids that could pose a threat in the future.

6. The space agency is conducting an asteroid survey to better understand its composition and behavior.

7. The threat of asteroids poses a constant danger to our planet, so we must take action to mitigate the risk.

英文小作文：

The Mystery of the Asteroid Belt

The asteroid belt, a mysterious region of space, lies between the orbits of Mars and Jupiter. It is home to many small asteroids, some of which may contain valuable resources that could be mined in the future. However, the belt also poses a potential hazard to our planet, as an incoming asteroid could cause catastrophic damage. Therefore, it is crucial to conduct ongoing research and development in order to better understand the behavior of asteroids and develop effective methods for their deflection and mitigation. With continued efforts from scientists and space agencies, we may one day solve the mystery of the asteroid belt and ensure the safety of our planet for future generations.