A notice was placed by the river bank warning people to keep off the thin ice.
河边有一个布告牌，警告人们不要在薄冰上行走。
Scientists from the US National Snow and ice Data Center (NSIDC), say the thin ice is prone to summer melting.
来自美国国家冰雪数据中心(NSIDC)的科学家说，薄冰倾向于夏季融化。
In the morning the bright rising sun quickly melted the thin ice on the water and the warm air all around vibrated with the vapor given off by the awakening earth.
清晨升起的明亮太阳迅速融化了水上那层薄冰，周围温暖的空气，伴随着蒸汽，从苏醒的大地上轻盈而上。
It's possible that rain on the desert floor could turn to thin sheets of ice when temperatures drop at night.
当夜间气温下降时，沙漠地面上的雨水有可能变成薄冰。
Hunters may accidentally fall into water if the ice becomes too thin.
如果冰太薄，猎人可能会不小心掉进水里。
The ice there was thin. Jo heard him, but Amy did not.
那里的冰很薄。乔听见了，但艾米没有。
Three days went past, and I was surprised to see it again: all the openings were sewed up by thin and white thread and they looked like the ice crystal on winter's branches in the north.
三天过去了，我惊讶地再次看到：所有的开口都是用细细的白线缝起来的，看上去就像北方冬天树枝上的冰晶。
In ''On Thin Ice'', Richard Ellis, a writer and illustrator, paints a natural history of the icon of the north, the polar bear.
在《薄冰之上》一书中，作家兼插画家理查·埃利斯描绘了北极图标，北极熊的自然史。
The latest reports show that a thin sliver of ice attaching it to the Antarctic's Charcot Island is rapidly collapsing and threatening to break.
最新的研究报告表明，紧贴在南极夏科岛的一个薄长形冰的碎片正在迅速地崩塌，并似即将发生断裂。
What Barber's expedition further discovered was that some Arctic sea ice is not only whisper thin, but that even in places with thick ice, the ice was not as solid as satellites had indicated.
巴伯的考察进一步发现一些北极海冰不仅仅是传闻的那么薄，但即使在厚一些的的地方，冰层并不像卫星指出的那样坚固。
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。
Ice still fringes much of the land, but it is thinning. In many places, particularly around Banks Island, the land-bound sea ice is blue, pointing to thin ice or the presence of water on the ice.
在很多地方，尤其是班克斯岛周边，陆地边沿的海上浮冰是蓝色的，表明冰层较薄或浮冰上有水。
The rest of the Wilkins Ice Shelf, which totals about 14,500 square kilometers, is holding on by a narrow beam of thin ice.
总面积约在14500平方公里的威尔金斯冰架的其他部分正在支撑着一条狭长的薄冰。
The rest of the Wilkins Ice Shelf, which totals about 14, 500 square kilometers, is holding on by a narrow beam of thin ice.
总面积约在14500平方公里的威尔金斯冰架的其他部分正在支撑着一条狭长的薄冰。
Still fragile and shaped by the river currents, a thin layer of new ice formed over Québec, Canada’s, St. Lawrence River in mid-January 2010.
圣劳伦斯河今年薄薄的冰层，现在虽然还不坚固、河流的形状也还看得见，不过到一月中旬，冰层已经覆盖了加拿大魁北克境内的河面。
Unlike the Arctic, where much of the sea ice is - at least for now - year-round, the Southern Ocean's sea ice is thin and seasonal.
与大部分海冰(至少目前如此)都有一年左右的历史的北极有所不同，南大洋的海冰很薄且是季节性的。
Unlike the Arctic, where much of the sea ice is — at least for now — year-round, the Southern Ocean's sea ice is thin and seasonal.
与大部分海冰（至少目前如此）都有一年左右的历史的北极有所不同，南大洋的海冰很薄且是季节性的。
Because this ice is initially very thin, the efficient release of heat from the ocean continues for some time, causing a rapid growth of the new sea ice.
由于刚开始这些冰层很薄，海洋中热量的释放还会持续一段时间，这又使得新海冰的形成速度加快。
In 2008 and 2009, scientists feared the record-thin Arctic ice cover might melt away.
在2008年和2009年，科学家们担心那个记录——薄北极冰盖可能全部融化。
Even then, the penguins are cautious; they stay in the water only long enough to feed, and they're adept at remaining motionless when they're on thin ice and spot a leopard seal.
尽管如此，企鹅也十分谨慎：它们仅仅在捕食时才呆在水下；一旦意识到冰面很薄或是附近出现海豹，它们就会紧紧地趴在冰面上，一动不动。
Thus, sooty emissions from Asia, Europe and North America are helping to thin the Arctic ice.
因此，亚洲，欧洲和北美的煤烟排放量会促使北极冰层变薄。
The photographs actually show sand dunes coated with a thin layer of frozen carbon dioxide, or dry ice, less than 240 miles from the planet's north pole.
这张图片实际显示的，是距离火星北极不足240英里的沙丘上覆盖的一层薄薄的冰冻二氧化碳、或干冰。
The readings show how thin layers of ice bulge and tilt in relation to each other, which offers clues to the shape of the underlying ice sheet.
这些读数显示了冰层隆起有多厚，相互间倾斜角度有多大，从而提供了底层冰盖的形状。
Indeed, for the Arctic as a whole, the melt season started with even more thin ice than in 2007, hence concerns that we may even beat last year's sea-ice minimum.
确实，把北极看作一个整体，融化季节开始的时候，海冰总量比2007年还要少，因此可能会突破去年海冰量的最低点。
The problem is that much of that refreezing creates a relatively thin layer of so-called first-year ice.
问题是，重新冻结的冰很大程度上相对较薄，所以被称为“首年冰”。
Thin sea-ice melts into pool shapes in the radiant heat of the Arctic summer.
薄海冰融入北极由夏季辐射热形成的池塘。
A year ago she would have looked him in the eye and told him he was on thin ice.
如果在一年前，她就会瞪着他，告诉他这样做是想自讨苦吃。
Pieces of glacier that break off become mixed with thin sea ice in a jumble of ice fragments on the fjord's surface.
脱落的冰川碎块与峡湾表面混乱的碎海冰融合在一起。
Climate change is already leading to a noticeable reduction in seal Numbers and the ice will soon become so thin that it will be impossible to use dog sleds.
气候变迁已经导致海豹数量明显减少，很快冰面将变薄，不再能够使用狗拉雪橇。
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