Follow these tips to improve your sleep patterns and feel more refreshed and reenergized every morning.
下面的提示将改善你的睡眠方式,使你早晨更精神。
Last month, we launched a new spacecraft as part of a reenergized space program that will send American astronauts to Mars.
上个月,我们发射了一艘新的宇宙飞船,是我们正在振兴的航天计划的一部分,这个计划将把美国宇航员送上火星。
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