The method of file compression this app uses is many times referred to as the “Black Hole” by developers because of its extremely high compression ratios and mega-fast decompression.

这个程序使用的压缩算法通常被开发者们称作“黑洞”，这是因为它有着极高的压缩率和超快的解压速度。

youdao

As the gas approaches the black hole, the compression makes it glow hotter and brighter.

气体靠近黑洞时，由于受到引力的挤压，温度越来越高，同时发出愈发明亮的辉光。

youdao

Factors such as exports are tend to be stable, while domestic demand and capacity compression are unstable factors which are likely to be the black swan fly over the market.

出口等因素趋于稳定，而内需与产能压缩才是不稳定因素，是可能飞过市场的黑天鹅。

youdao

But that isn't all, as the black levels are noticeably grey and any compression artifacts appear amplified.

ENGADGET: Ceton Echo Windows Media Center Extender review HD

Boarding the jet in her now-famous body suit (inspired by the compression suits used by human athletes such as Aussie hurdler Sally Pearson), Black Caviar -- who is affectionately known as "Nelly" -- was accompanied on the flight by her personal track rider and veterinary surgeon to make sure she remained relaxed during transit.

CNN: Black Caviar: The real queen of horse racing?