天文学家以前发现过其他七行星的系统，但这是第一个有这么多地球大小行星的世界。
Astronomers have found other seven-planet systems before, but this is the first to have so many Earth-sized worlds.
“脱钩”这一概念——即新兴市场不再只是围绕着西方世界这颗行星运行的卫星——遭受了严重的挫折。
The notion of "decoupling" -that emerging markets were no longer mere moons revolving around planet west-suffered a severe setback.
天文学家们通过观察设置在其宿主性之前的世界通就能够领略这颗行星上的大气，就像从地球上观察一样。
Astronomers were able to "sample" the planet's atmosphere by watching the world pass in front of its host star, as seen from Earth.
应用推荐