半人马a可能是另两个正常星系碰撞的结果，碰撞产生了奇特的混杂星团和雄伟的暗尘带。

Centaurus a is apparently the result of a collision of two otherwise normal galaxies resulting in a fantastic jumble of star clusters and imposing dark dust lanes.

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明年这款GlassesOff软件将会安装在iPhone，开发者宣称，它可以让那些本来应该配带老花镜的人们进行正常的阅读。

GlassesOff, to be launched on the iPhone next year, could allow people to keep reading as normal beyond the age where they could otherwise have needed glasses, its developers said.

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以前我常常带Neal去社区，极力想要融入正常的生活。

I had been taking Neal out into the community quite a bit, trying desperately hard to have a normal life and fit in.

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