Such research inquiry is a powerful source of pertinent knowledge for protecting tropical forests.

这样的研究调查是有关保护热带森林知识的强大源泉。

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Tea is a rich source of antioxidants that play a big role in protecting against some cancers and cardiovascular disease.

茶富含抗氧化剂，可很好抵御某些癌症及心血管疾病。

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A new YouTube video of an apparent Zeta, reportedly from the US files and released in a manner protecting the source, has begun circulating on the Internet.

一段关于明显的齐塔人的新的有土鳖视频——据说从美国文件中被释放，释放来源被保护——开始在网上流传。

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Journalists have gone to jail protecting a source, and other times they have not.

CNN: SHARE THIS

Were this to be happening to a Washington Post or New York Times reporter, does anyone believe that there would be a virtual blackout on a story where the reporter is threatened with jail time for protecting a source?

FORBES: Fox News Reporter Facing Jail For Protecting Source - Mainstream Media Yawns, Raising Questions Of Liberal Bias

Thus, protecting the Kissimmee River, the primary source of water for Lake Okeechobee and the Everglades, has become a paramount goal for conservationists.

BBC: Florida��s newest wildlife refuge