北极

L In the farthest north regions, there is sea ice all year round.

在最北极区有着终年不化的冰的海洋。

That would have been 24 million years after the transition from very warm temperatures in the Paleocene and Eocene eras to major planetary cooling and the appearance of permanent North and South Poles.

从古新世和始新世时代非常温暖的温度转变到主要的行星冷却和永久的南、北极出现的时代后约有二千四百万年。

The fossil was found on Devon Island in the Canadian Arctic, bolstering the notion that the far north was an early center of pinniped evolution, she said.

她说，这块化石是在加拿大北极地区Devon岛被发现的，进一步巩固了鳍足动物进化的早期中心区是位于远北的想法。

He says pointedly: Russia has a variety of climates from the Arctic to sub-tropical...

他尖刻地说：俄罗斯有从北极到亚热带的多种气候条件。。。

In Hong Kong, the polar axis should point north and the elevation should be 22.5

在香港，极轴应指向天球北极，而仰角则为22.5度

The whole body of polar bear is covered with thick white hairs with empty hair follicle which may preserve heat and insulate hot, therefore it is suitable to live in the North Pole under -70℃.

北极熊全身披着厚厚的白毛，毛囊中空，起着极好的保温隔热作用，非常适宜在-70℃的北极生活。

In northern winter a seasonal polar cap composed of carbon dioxide ice forms in the north polar region.

在北方寒冷的冬天季节性的极冠冰二氧化碳在北极地区的形式组成。

They believe the structure of the polar cap is the result of variations in Mars' orbit over the years.

科学家认为，北极极冠会出现这样的结构，是火星经年轨道变迁的结果。

The size of the North polar ice cap in the month of September is only half the size it was a mere fifty years ago.

但是，现在的测量表明气候变化加速了。9月份的北极冰盖只有50年前的一半大小。

The air picks up moisture from e polar ice cap and bodies of water it may pass over.

空气从它可能经过的北极冰帽和水域吸收水分。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。