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课程 2
The Moon: phases and eclipses
📖 课程
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🎯 测验——选择翻译
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✅ 本课已完成
The Moon does not shine by itself — it reflects sunlight. The angle gives the phase: new moon, quarter, full moon. An eclipse happens when Earth blocks the Moon.
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新月
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上弦月
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满月
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下弦月
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月食
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潮汐