In the 1950s Anthony Allison, a British biochemist, observed that Africans who carry a single copy of the genetic mutation that causes sickle-cell anaemia are protected against malaria.

英国生化学家Anthony Allison在20世纪50年代观察到非洲人携带单拷贝的基因突变引起的镰状细胞性贫血保护了他们受到疟疾的侵扰。

youdao

This disk may be damaged, write protected, or an illegal copy.

该磁盘可能已损坏、写保护或是非法副本。

youdao

If you have some of the older, copy-protected iTunes songs in your stash, they won't play.

如果你有一些旧的，有版权保护的iTunes songs歌曲，它们将无法播放。

youdao

The rub, though, is that you'll need a DLNA Digital Media Player (or Rederer) that supports MPEG2, and that just isn't as common as you might think -- as well as DTCP-IP support for copy protected content.

ENGADGET

There's a (fairly evasive) explanation as to why copy-protected media won't work, while commenters remind us that hardware compatibility isn't as surefire as we'd always like.

ENGADGET: Microsoft outlines Play To for Windows 8 developers, shows media sharing just a heartbeat away

Johansen's associate told Reuters that an unnamed client will soon use this technology so its copy-protected content will be playable on iPods, but she declined to give any details on who that might be.

NPR: Marketplace Report: Hacking Apple's iCode