comet dust

常見例句

雙語例句

• The glowing comet dust grains are traveling at about 60 kilometers per second through the denser atmosphere around 100 kilometers above Earth's surface.
  發(fā)光的彗星塵埃顆粒正以每秒60公里的密集的氣氛中約100公里以上的地球表面。
• The comet dust is vaporized as it enters the atmosphere at upwards of 60 kilometers per second, producing visible trails that begin at altitudes of around 100 kilometers.
  這顆彗星塵埃以每秒60多公里的速度闖入地球大氣層，在大約100公里的高空開始產(chǎn)生肉眼可見的光跡。
  bbs.astron.ac.cn
• Dust from comet Swift-Tuttle is responsible for the Perseids, creating the northern hemisphere's regular summer sky show.
  斯威夫特-塔特爾彗星撒下的塵埃形成的英仙座流星雨，為北半球的天空年復一年地帶來盛大的夏日流星秀。
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原聲例句

• A comet is a huge ball of frozen gas and dust that often releases a long trail of material as it nears the sun.
• A specially designed collector gathered dust particles from the comet and stored them on the spacecraft.

權威例句

• On the main side, the front side of our ice cube tray, if you will, we exposed that when we flew past the comet, so we caught the comet dust.
  NPR: Stardust Set to Deliver Comet Samples
• So when we collect comet dust, we're actually collecting some stardust that was, you know, four and a half billion years old and was here when the solar system formed.
  NPR: Stardust Set to Deliver Comet Samples
• The Spitzer observations suggest young planets circling the star are disturbing smaller comet-like bodies, causing them to collide and kick up a huge halo of dust.
  MSN: Wild solar system spotted around distant star?
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