The discovery was made here by scientists sifting through rocks in the 4 Holy Cross Mountains of southeastern Poland.

科学家们在对波兰东南部圣十字山脉的岩石进行了筛选研究后得出了以上发现。

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One chilly night when I was hiking in the Rocky Mountains with some students, I mentioned that we were going to cross a mountain stream.

一个寒冷的夜晚，当我和几个学生在落基山脉徒步旅行时，我提到我们将要渡过一条山间小溪。

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We are puzzling about the easiest way to cross the mountains.

我们在苦思越过这座山的最佳路径。

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Before reaching their destination, the teams will cross mountains, frozen rivers and forests before hitting the wind-pummeled coast.

NPR: Iditarod Kicks Off With Festive Ceremonial Start

It may seem like missing the original point, but is it any different from a Range Rover, with its roots in a vehicle designed to cross deserts or mountains, sporting a leather interior, air-conditioning and chrome wheels?

WSJ: This Sporting Life

From their cottage homestay I took in the imposing mountains I was about to cross.

BBC: The way of the shepherd: Horse trekking through Kyrgyzstan