常見例句

• Its remnants form the Crab Nebula.
  它的殘余物組成了蟹狀星云。
• Today, the Crab Nebula is still expanding and it will eventually dissolve in the interstellar gas cloud nearby.
  蟹狀星云仍然在膨脹最終會溶入星際物質(zhì)而消散。
返回 crab nebula