Well, a sledge sliding on flat ice.
我们再来看下雪橇在光滑冰面上滑行的例子。
So remember the sledge moving over the flat ice.
还记得雪橇在平滑冰面上的滑行么。
So its very smooth very flat ice and you push a sledge on it and then you let go, what happens? The sledge keeps going. How can that be?
冰面很光滑，你推动雪橇，然后放手，接下来会怎样呢，雪橇仍然会继续前进，为什么会这样呢？
It had been assumed that the ice extended westward from the Alaskan/Canadian mountains to the very edge of the continental shelf, the flat, submerged part of the continent that extends into the ocean.
人们过去曾猜测，冰山从阿拉斯加和加拿大山脉向西延伸到大陆架的最边缘，也就是大陆架扁平的、延伸到海洋中的水下大陆那部分。
For the Twin Otter plane - about the only plane that can operate up here - you need a flat area 305 metres long, 30m wide with an average of 60cm ice thickness.
而水獭式飞机——大概是唯一能够在此地出没的飞机——它需要一块长305米、宽30米、冰层平均厚度为60厘米的平坦区域。
As water freezes in the upper atmosphere, small, flat, six-sided, ice crystals might be formed.
当水在上层大气中凝固，会形成细微的，扁平的，六面体形状的冰晶。
Solar halos are also caused by small, flat, six-sided, ice crystals that float down parallel to the ground.
太阳光环也是由微小、扁平、六面形的冰晶在同地面平行地飘落所引起的。
It's flat and slides on the ice.
冰球是扁圆的，在冰上能滑动。
Large flat sheets of the icecap called ice shelves float in water near Antarctica.
大而扁平状的冰冠称作冰架，它们漂浮在南极洲周边的水域中。
Christopher: Yeah. Sort of. It's flat and slides on the ice. I move it around with my hockey stick.
克里斯托弗：像，有点儿像。冰球是扁圆的，在冰上能滑动。我用球杆掌握冰球的运动方向。
The puck is flat and slides on the ice.
冰球是扁圆的，在冰上能滑动。
The flat cutting end of the ice axe head.
冰斧一端平切的部份。
The terrain where Phoenix set its three legs is relatively flat with polygon-shaped patterns in the ground likely caused by the expansion and contraction of underground ice.
菲尼克斯放置三个支架的地形相对来说比较平坦，地面上多角形图案看起来好像是由于地下永冻土的扩张和收缩形成的。
When the atmosphere is cold, ice sometimes forms flat six-sided crystals as it falls from high-level clouds.
当气温开始降低，冰从高层云中落下来的时候，它们会开始形成平整的六边形的晶体。
When the store offered free ice cream, the children went there in no time flat.
那家店供应免费的冰淇淋，小孩们立即前往那里。
None of my attempts to break the ice were working, and all my usual jokes were falling flat.
我所有打破僵局的努力都没有奏效，而且我讲的笑话也是一样。
The ice had frozen in a flat, round shape, around the size of a dinner plate, with the unusual patterns often caused by swirling foam floating on a river starting to freeze, usually overnight.
冰块被冻成了平底的、圆形的形状，尺寸跟餐盘一般大。这种特殊的形状是由漂浮在河流上的旋转泡沫冻结而成的，通常在一夜间就出现了。
Thee ice had frozen in a flat, round shape, around the size of a dinner plate, with the unusual patterns often caused by swirling foam floating on a river starting to freeze, usually overnight.
冰块被冻成了平底的、圆形的形状，尺寸跟餐盘一般大。这种特殊的形状是由漂浮在河流上的旋转泡沫冻结而成的，通常在一夜间就出现了。
When the store offered free ice cream, the children were there in no time flat.
那家店供应免费的冰淇淋，小孩们立即前往那里。
When the store offered free ice cream, the children were there in no time flat.
那家店供应免费的冰淇淋，小孩们立即前往那里。
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