Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.

复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。

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The winds and radiation from these stars form the complex structures seen in the core, and in some cases, they may be triggering new generations of stars.

来自这些恒星的风和辐射形成了核心中的复杂结构，同时，它们触发了新生代恒星的形成。

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Blistering radiation from the infant stars not only lights up the neighborhood but also carves out bubbles in the surrounding hydrogen gas, giving NGC 604 its complex structure.

婴儿恒星所发出的酷热辐射不仅将周围区域照亮，而且在周围的氢气中划分出许多泡泡，这说明了NGC 604的复杂构成。

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Engineers restored power to some reactors at the Fukushima Dai-Ichi plant over the weekend, although new concerns about food contamination appeared after radiation levels were detected in tap water near the complex.

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Measurements at another nuclear-power complex in the prefecture of Ibaraki, halfway between Fukushima and Tokyo, showed elevated radiation readings, officials said.

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Looking back more than a year after the event, it is clear that the Fukushima reactor complex, though nowhere close to state-of-the-art, was adequately designed to contain radiation.

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