What does it sounds like when two black holes collide a billion light years away? Scientists learned this year, and you've never heard a more beautiful chirp.

十亿光年之外的两个黑洞碰撞时会发出什么声音？今年科学家发现那是一种啁啾之声，美得你无法想象。

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Drivers routinely collide with deer and there are so many dead bodies left by the side of the road that the town has made it a deal with a local pet cemetery to collect and dispose of the bodies.

司机经常与鹿相撞，路边留下了如此之多的尸体，因此小镇与当地的宠物墓地就收集和处理尸体达成协议。

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Basically, a subduction zone is where two tectonic plates collide.

基本上，俯冲带就是两个地壳构造板块碰撞的地方。

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There's the hard sphere. It wants to collide against the wall to create a force on the wall, and I have a couple of the hard spheres that are nearby, right, and in the absence of any interactions, I get a certain pressure.

给墙一个作用力,现在它的附近，还有许多小球,没有相互作用时,它将直接冲向这面墙。

麻省理工公开课 - 热力学与动力学课程节选

The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.

摩尔体积发生了很小的改变,如果你试图使气体分子间相互碰撞，他们不能占据同一个位置。

麻省理工公开课 - 热力学与动力学课程节选

April 1995: A train and a bus collide on a level crossing in Nile Delta, killing 49.

BBC: Egypt's history of train disasters

Any sort of unauthorized flight near JFK poses a threat, since they could collide with a passenger aircraft.

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Western and Mideastern values collide in a book commentator Andrei Codrescu picked up recently.

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