They plunged into the narrow path between the tall sumach bushes, and were at once hidden in the gloom.

他们钻进了高大的漆树丛中那条狭窄的小路，立刻就消失在黑暗中。

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Hundreds of circles, squares, and other geometric shapes once hidden by forest hint at a previously unknown ancient society that flourished in the Amazon, a new study says.

在一项新的研究中，人们发现了曾经被森林覆盖着的数百个圆、方形、和其他几何形状，它们暗示在亚马逊平原曾经存在一个未知的古老而繁荣的社会。

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But they never stopped at the quarry. They passed on, up the summit. They plunged into the narrow path between the tall sumach bushes, and were at once hidden in the gloom.

可那两个人却经过老石坑，爬上了山顶他们一头钻进了茂密的漆树之间的一条小路，一下子就消失在黑暗中。

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Argo makes visible large-scale ocean and climate features and processes that were once hidden to scientists.

UNESCO: Building the Wealth of Nations

And the fact that they are used all over China, by people young and old, means that stories and scandals once kept hidden in some provincial town are now getting nationwide coverage.

BBC: Rory in China: Tencent has become a social media powerhouse

It can afford to explore its own identity - to recognise what was once ignored or hidden and help tourists discover it.

BBC: Nonya kueh: Wolfing down Singapore's wobbliest cake