词典词库拼词范例测验

asteroid 中文

EN[ˈæstəroɪd]
小行星 小行星
  • 小行星是太陽系内類似行星環繞太陽運動,但體積和質量比行星小得多的天體。
  • 至今為止在太陽系內一共已經發現了約70萬顆小行星,但這可能僅是所有小行星中的一小部分,只有少數這些小行星的直徑大於100公里。
  • 根據估計,小行星的數目應該有數百萬,詳見小行星列表,而最大型的小行星現在開始重新分類,被定義為矮行星。
asteroid
  • 名词 (Noun)PLasteroidsPREastero-SUF-oid
    1. (astronomy) A naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star.
      1. (astronomy) In the Solar system, such a body that orbits within the orbit of Jupiter.
        1. The orbital planes of asteroids, minor bodies that circle the Sun mainly between the orbits of Mars and Jupiter, are often more tilted ...
      2. (zoology) Any member of the taxonomic class Asteroidea; a starfish.
      3. 更多范例
        1. 用于句中
          • The closest previous sighting of an Earth-grazing asteroid was in March of 1989. It was 330 feet in diameter and passed at 10 times the distance to the moon.
          • We find that motion near the surface of an irregular asteroid is quite different from the motion near the surface of a homoplastically spheroidal celestial body.

      Meaning of asteroid for the defined word.

      在语法上,这个单字"asteroid"是一个名词,更具体地来说,是一个可数名词
      • 词类阶层 (Part-of-Speech Hierarchy)
        1. 名词
          • 可数名词
        困难度: 级别 6
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        容易     ➨     困难
        明确性: 级别 8
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        明确的    ➨     多用途
        相关连结:
        1. en asteroids
        2. en asteroidal
        3. en asteroidean
        4. en asteroidian
        5. en asteroidians
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