Module 3 Places and activities [00:07.61]模块 3 安置和活动 [00:11.05]Unit 1 In the school [00:13.68]单元一 在学校 [00:16.30]Look and learn [00:18.48]看并且学习 [00:20.66]11 eleven 12 twelve 13 thirteen 14 fourteen [00:27.69]11 十一...
Researchers who studied stars similar to the Sun found that almost one in four could have small, rocky planets just like the Earth。 For their research, scientists spent five years studying 166 Sun-like stars within 80 light year or 470 trillion mil...