The Kepler mission, for example, has confirmed and announced seven new alien worlds to date.

例如，开普勒任务至今已经证实并宣布了7个新的外星世界。

youdao

The Kepler mission, for example, has confirmed and announced seven new alien worlds to date.

例如，开普勒任务至今已经证实并宣布了7个新的外星世界。

youdao