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| 11. | winter and summer, during which the weather becomes warmer and plants revive, extending in the Northern Hemisphere |
| 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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| 12. | "Mars will appear at its very best from the Southern Hemisphere, where by the middle of the night it |
| 南半球是观察火星的最佳地点。午夜时分,它将高高地悬挂在天空中,它的光芒和色彩将使其分外耀眼。 |
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| 13. | usually coldest season of the year, occurring between autumn and spring, extending in the Northern Hemisphere |
| 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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| 14. | 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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