Most cameras have a small screw-hole somewhere on them that allows the camera to be mounted to a tripod or other steady filming stand or structure.

大部分摄像机的上面都有一个小的螺丝孔用来把相机固定到一个三角架或者其他稳定的拍摄支架或结构上。

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The key to forming a black hole is cramming enough mass or energy into a small enough volume as happens when a massive star collapses.

形成黑洞的关键环节，就是要像脉冲星崩溃时出现的情况一样，把足够大的质量或能量压缩到足够小的体积。

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The key to forming a black hole is cramming enough mass or energy into a small enough volume, as happens when a massive star collapses.

黑洞形成的关键是在一个足够小的容积内填充足够多的质量或能量，正如高量星将要爆炸的时刻。

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Other base stealers who use gloves either wear small guards or professionally manufactured gloves that have a thumb hole, and also extend over the wrist, like Davis's glove, giving it a similar oven-mitt appearance to Gardner's newest device.

WSJ: It's for Sliding, Not Baking

Driving out small firms, or simply failing to create them, leads to a huge hole in the economy.

FORBES: Small Businesses Don't Need Loans, They Need Business