然而天文学家们首次观察就能分析出这颗地球般大小的行星的大气成分。

This is the first time, however, that astronomers have been able to analyze the atmosphere of an Earth-size planet.

youdao

然而天文学家们首次观察就能分析出这颗地球般大小的行星的大气成分。

This is the first time, however, that astronomers have been able to analyze the atmosphere of an Earth-size planet.

youdao