几个星期前，例如，我了解到被称为黑洞的崩溃的恒星可能不久吸进这个宇宙中所有的东西。
A few weeks ago, for example, I learned that collapsing stars called black holes may soon suck up all the matter in the universe.
几个星期前，例如，我了解到被称为黑洞的崩溃的恒星可能不久吸进这个宇宙中所有的东西。
A few weeks ago, for example, I learned that collapsing stars called black holes may soon suck up all the matter in the universe.
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