常見(jiàn)例句

• The complex nebula is thought to be a supernova remnant over a million years old, sprawling across the southern constellations Vela and Puppis.
  這個(gè)形狀複襍的星雲(yún)區(qū)域分佈在南天的船帆座和船尾座之間，它被認(rèn)爲(wèi)是一個(gè)超新星殘骸已經(jīng)有一百萬(wàn)年齡。
返回 Puppis