常見(jiàn)例句

雙語(yǔ)例句

• Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core.
  Messier 27（M27）是個(gè)氣躰發(fā)射星雲(yún)的典型例子，它是由於類(lèi)似太陽(yáng)的恒星耗盡了其核心的核燃料而産生的。
返回 gaseous emission nebula