名词
中文翻译：赤道
同义词：
['equator', 'meridian']
例句：
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1.The sun is directly above the equator at noon.
中午时太阳直射赤道。
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2. The Earth's axis is tilted slightly away from the equatorial plane.
地球轴稍微倾斜，远离赤道平面。
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3. The equator is where the sun never sets, as it travels around the planet in a straight line.
赤道是太阳永远不落的地方，因为它沿着行星绕行一圈。