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1·Upon the return hike, a frozen river had suddenly completely thawed.

在远足回来的路上，一条结冰的河流突然完全解冻。

2·We had to cross a frozen river in the middle of winter to sneak across the border into China.

我们不得不在严冬涉水穿过冰冷的河流，偷偷越过边境潜入中国。

3·They moved in procession down the surface of the frozen river, on foot, and dragging their canoes after them on sledges.

在冰冻的河面上他们拖着载有小船的雪橇列队向南步行。

4·Thin river ice is a significant issue because winter travel is mainly achieved by using the frozen rivers as a transportation route via snow machines or sled dogs.

河面上的冰层十分重要，当地人冬季出行主要就是通过雪车或狗拉雪橇走冰面上的交通路线。

5·The project will attempt to artificially build naleds, a Russian term for super-thick sheets of ice that naturally form when water flows atop a frozen river or lake.

该工程将试图人工建造一个“naleds”。 该词源于俄语，是指流水经过冰冻的河流或湖泊而自然形成的超厚冰层。

6·In parts of Heilongjiang province close to the frozen river border with Siberia, the forests were once so dense that the area was known as the Great Northern Wilderness.

在那接近西伯利亚边界冰冻河流的黑龙江部分地区，森林曾经非常繁茂，该地区因此而被称为北大荒。

7·It's so cold that even the river has frozen.

天气冷得河都封冻了。《牛津词典》

8·On a sunny day like today, it's hard to believe we're anywhere near the frozen north, but the river - wide, green and rolling - is solid ice in the winter.

那天阳光灿烂，像今天的天气一样，很难相信我们已经到了冰天雪地的北方。但是那里宽阔，绿水流淌的河流在冬天会冻成坚冰。

9·Traditionally the Nenets travel across the frozen Ob River in November and set up camp in the southern forests around Nadym.

传统上涅涅茨人在11月穿越冰冻的鄂毕河ob River并在纳德姆nadym周围的南部森林里扎营。

10·There is no railway to Yakutsk. The other options are a 1, 000-mile boat ride up the Lena river during the few months of the year when it isn't frozen, or the Road of Bones.

到雅库茨克没有铁路，其它的选择可以是在不封冻的几个月时间里，沿丽娜河乘船上溯1000英里，或者是走“白骨之路”。