但是到星期六凌晨，警察正要采取行动制服嫌犯的时候，他一枪结束了自己的生命。

But by early Saturday, officers apparently attempted to wrestle him to the ground and he turned the gun on himself.

youdao

大质量恒星在超新星爆发中结束了自己的生命并将重元素喷洒进太空中，它们将在那里重新结合成下一代的恒星及其周围的行星。

Massive stars end their lives with supernova explosions that spray the heavy elements into space, where they are incorporated into the next generation of stars and help seed the formation of planets.

youdao

它通过摆脱环绕星体残留内核形成茧的外层气体，结束了自己的生命。 随后，这颗渐渐消亡的恒星散发出的紫外线使该物质发光。

The star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's remaining core.

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