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。

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.

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第四，发现它的方法正和当年寻找火神星时依据的原理一样——即当行星在其围绕的恒星前穿过时，恒星的光线略有折射。这点被捕捉到了。

And fourth, it was found in exactly the way the hunt for Vulcan proceeded-by noting the slight dip in light from its parent star caused when it passed in front of that star.

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但是，就像很多亚洲电子大鳄一样，三星自己也有自己的手机产品线。

But, like a lot of Asian electronics conglomerates, Samsung sells its own line of phones.

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