英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
Pinder查看　Pinder　在百度字典中的解释百度英翻中〔查看〕
Pinder查看　Pinder　在Google字典中的解释Google英翻中〔查看〕
Pinder查看　Pinder　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • What’s the Difference Between Asteroids, Comets and Meteors? We Asked a . . .
    A meteoroid is a small piece of asteroid or a comet, typically pebble-sized, but could be a little smaller or a little larger, and often created from a collision When a meteoroid gets close to the Earth and enters the Earth’s atmosphere, it’s called a meteor And a meteor enters the Earth’s atmosphere at a very high speed
  • Whats the Difference Between Asteroids, Comets and Meteors?
    Meteoroids, Meteors, Meteorites: Meteoroids are tiny asteroids or the broken-off crumbs of comets and sometimes planets They range in size from a grain of sand to boulders 3
  • Difference Between Meteoroids, Meteors, Meteorites, Comets, and Asteroids
    Meteorites are meteoroids, asteroids, and comets that enter the atmosphere and survive to impact the surface Relatively recently, scientists had to amend the definition of a meteorite to only include natural solid objects falling to the Earth from space
  • Asteroid or Meteor: Whats the Difference? - NASA Space Place
    An asteroid is a small rocky object that orbits the Sun A meteor is what happens when a small piece of an asteroid or comet, called a meteoroid, burns up upon entering Earth’s atmosphere
  • Meteor vs. Asteroid vs. Comet: What’s the Difference?
    asteroid: A rocky object that orbits the sun and has an average size between a meteoroid and a planet comet: An object made mostly of ice and dust, often with a gas halo and tail, that sometimes orbits the sun A meteoroid is “a small, rocky or metallic body revolving in interplanetary space around the sun
  • Asteroid, Meteor, Meteorite and Comet: Whats the Difference?
    The terms asteroid, meteor, meteorite and even comet are often used interchangeably but what is the difference?
  • What is the difference between a meteoroid, a meteor, an asteroid and a . . .
    Is it a meteor, a comet or an asteroid? Each year the Earth is bombarded with more than 5,200 tonnes of space dust and tiny objects no bigger than a grain of sand
  • Asteroids vs comets vs… | The Planetary Society
    Meteors are also known as shooting stars, although they aren't actually stars at all Meteor showers happen when the Earth passes through debris shed by a comet or asteroid They reoccur at about the same time every year when Earth comes around in its orbit and passes through the debris again
  • Comets, meteors and asteroids - Royal Museums Greenwich
    What are comets, meteors, shooting stars, meteorites and asteroids made of? And what is the difference between them all? Comets, meteors, meteorites and asteroids include some of the smallest interplanetary objects astronomy is concerned with but they are among the most spectacular and the only ones we are likely to come into contact with before space travel becomes common! Whether you are
  • Meteor, asteroid and comet: What’s the difference?
    Comets: Large, icy bodies of frozen gases, dust and rock, with a frozen nucleus Meteoroid: Fragments and debris from asteroids and comets Meteor shower: Multiple meteoroids burning up in the Earth's atmosphere Fireball: An exceptionally bright meteor that can be seen over a wide area





中文字典-英文字典  2005-2009