translation.en: We've discovered over 350 in the last 14 years, including the small planet, announced earlier this week, which has a radius just twice the size of the Earth.
translation.zh: 在过去的14年里我们已经发现了超过350个这样的星系， 包括上周所宣布的小型的行星， 大小只有地球的两倍。