之前人们曾报道过另外三颗据信由岩石组成的太阳系外行星，但是，它们是围绕着一颗脉冲星(恒星爆发后遗留的发光的残存物)运转的，而不是一颗常态的恒星。
Three other extrasolar planets believed to be of rocky composition have been reported, but they orbit a pulsar - the flashing corpse of an exploded star - rather than a normal type of star.
这里有许多蓝绿色的小湖泊，像宝石一样嵌在彩色的火山岩石间，熠熠发光。
There are many blue-green small lakes, like gems of same color inlay in the volcanic rocks between, the glittering.
应用推荐