在北极和南极，只有两个季节。
地球围绕连接北极和南极的轴旋转。
The earth revolves around the axis which joins the North and South Poles.
幻日现象经常在北极和南极出现。
Sundogs are fairly common occurrences in the arctic and Antarctic.
地球的极点称作北极和南极。
The earth's poles are called the North pole and the South pole.
冥王星的北极和南极各有一个明亮的冰区。
Pluto has bright icy areas at its North Pole and South Pole.
北极和南极有什么区别。北极在北边，南极在南边。
What is the difference between the North Pole and the South Pole.
我们制造或找到的磁体都至少有两极，称为北极和南极。
Very magnet ever made or found always has at least two poles, called North and South.
一年中的某些时候，北极和南极附近地区的臭氧层极为稀薄。
At certain times of the year the ozone layer becomes extremely thin near the north and south poles.
北极和南极有如此多臭氧丧失的原因是因为大气上层存在的氯。
The reason so much ozone has been lost over the arctic and Antarctic is the presence of chlorine in the upper atmosphere.
有些人相信地球的北极和南极以前并不是在它们现在所在的位置。
Some people believe that the Earth's North and South poles weren't always located where they are now.
这个星球正在变暖，从北极到南极，以及北极和南极之间的每一个地方。
The planet is warming, from North Pole to South Pole, and everywhere in between.
地球的地磁北极和南极随时间作周期性的变换，或许是地核内部流体运动的结果。
The periodic switching of the magnetic north and south poles of the Earth throughout time, probably as a result of movement of fluid within the Earth's core.
在地球上，北极和南极总是最冷，赤道总是最热，但是在天王星上这个规律不正确。
On Earth, it is always cold at the North and South Poles and it is always hot at the equator, but this is not true on Uranus.
这位海洋学家告诉与会代表，高纬度地区的海洋酸化问题更加严重，北极和南极周围比赤道附近糟糕得多。
The oceanographer told delegates that the problem of ocean acidification was worse in high latitudes, in the Arctic and around Antarctica, than it was nearer the equator.
根据研究表明，这种迁徙可能会导致大量的海洋生物，特别是那些曾生活在热带海域的海洋生物的灭绝于北极和南极区域附近。
These migrations could lead to "numerous extinctions" of Marine species outside the arctic and Antarctic, especially in tropical waters, according to the study's projections.
由于这些过程发生在两个半球，因此北极光和南极光就出现了。
Since these processes occur above the two hemispheres, both the Northern and the Southern light are created.
除了留鸟，南非全年都“接待”来自非洲最北部、北极、欧洲、中亚、中国和南极洲的各种鸟类。
Apart from the resident birds, South Africa hosts birds from further north in Africa, the arctic, Europe, Central Asia, China and Antarctica during the year.
加德勒补充到，“它们主要来自于加拿大北极群岛、美国阿拉斯加、南美洲巴塔哥尼亚和喜马拉雅山脉的冰川，以及格陵兰和南极冰盖附近的一些小规模的冰川。”
Most of the ice loss is coming from the Canadian Arctic Archipelago, Alaska, Patagonia, the Himalayas, and the smaller ice masses surrounding the main Greenland and Antarctic ice sheets.
天文学家很难有机会能同时观测到土星的两极，这意味着他们能同时研究的北极光和南极光。
Astronomers had a rare chance to view Saturn with its rings edge on. It meant they could study the planet's Northern and Southern lights.
从冰冻的北极海和南极海到温暖的热带海洋，世界各大洋中均有虎鲸。
Orcas are found in all the world's oceans, from the frigid arctic and Antarctic to warm tropical seas.
从冰冻的北极海和南极海到温暖的热带海洋，世界各大洋中均有虎鲸。
Orcas are found in all the world's oceans, from the frigid arctic and Antarctic to warm topical seas.
当这些不同的颜色在夜空中闪烁跳跃时，就形成了北极光和南极光。
As these various colors glow and dance in the night sky, they create the Northern Lights and the Southern Lights.
北极就是北极点附近的地区——和南极就是南极点附近的地区刚好遥相呼应北极的定义有很多种，一般而言，是指北极圈内或附近的区域。
But some will define it on the basis of air or sea temperature, the native territories of the Arctic indigenous peoples, or the area north of where trees stop growing.
北极就是北极点附近的地区——和南极就是南极点附近的地区刚好遥相呼应北极的定义有很多种，一般而言，是指北极圈内或附近的区域。
But some will define it on the basis of air or sea temperature, the native territories of the Arctic indigenous peoples, or the area north of where trees stop growing.
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