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| 1. | South America is probably an order of magnitude smaller than the number of contemporaneous findings from |
| 澳洲、极洲、洲与南美的陆栖脊椎动物，已知的种类比北半球的少多了，差距也许得以数量级来表示。 |
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| 2. | The usually coldest season of the year, occurring between autumn and spring, extending in the Northern |
| 冬，冬季通常是一年中最冷的季节，介于秋天和春天之间，在北半球从冬至到春分，通常来讲包括十二月、一月和二月 |
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| 3. | To watch the sun from the northern hemisphere, you have to face south. |
| 从北半球看太阳，你必须面向南方。 |
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| 4. | Every summer more than 100 species of birds migrate from the northern hemisphere to South African shores |
| 每年夏天，有100多种鸟从北半球迁徙到南非海岸。 |
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| 5. | Realize the earth has magnetic field lines that loop out into space from the northern hemisphere to the |
| 要知道，地球上的磁场线以环形在空间从北半球抛向南半球，呈拱形覆盖于地球上空，而正是这些磁场线对于太阳风暴的作用形成了极光。 |
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| 6. | between winter and summer, during which the weather becomes warmer and plants revive, extending in the Northern |
| 春季：一年中在冬天与夏天之间的一个季节，此时天气渐暖、植物发芽，从春分到夏至日在北半球为春，一般认为应包括三、四、五月. |
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