尽管很难找到足够的时间，但是得到充足的休息十分的重要。
Though it can be hard to find enough time, getting adequate rest is very important.
避免热量失调症（如脱水）最容易的方式，是保证身体补充足够的水。
The easiest way to avoid heat disorders such as dehydration is to keep your body hydrated.
黑洞形成的关键是在一个足够小的容积内填充足够多的质量或能量，正如高量星将要爆炸的时刻。
The key to forming a black hole is cramming enough mass or energy into a small enough volume, as happens when a massive star collapses.
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