The research done by the trio of scientists, taken together, laid bare some long-hidden secrets of how the immune system works.

三位科学家所做的研究工作让长久以来不为人知的免疫系统工作原理大白于天下。

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However, there are a few hidden secrets to these beautiful places that will certainly surprise you.

不过这些美丽的地方，绝对还是有能令您惊喜不已的个中奥秘。

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Explore the island to discover hidden secrets, adventures and inhabitants in one of the most captivating and epic mobile games ever created.

在这迷人史诗般的手机游戏中你要探索岛屿，发现岛上隐藏的秘密、冒险和居民。

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Studying teeth with state of the art technology is helping to unlock previously hidden secrets about the Neanderthals' lifestyle.

BBC: How scientists recreated Neanderthal man

ZombiU continues to be well-received by audiences and features second-screen game play that uses the Wii U GamePad controller to manage items or scan for hidden secrets in real time.

ENGADGET: Nintendo announces new ZombiU Deluxe Set Wii U bundle for $390

The halls were strewed with NFC-powered "smart" posters that would unlock all manner of hidden secrets if you tapped them with your smartphone, from restaurant information to directions to the nearest restrooms.

WSJ: Is NFC Finally Becoming Mobile's Next Big Thing?