名词
中文翻译：光学日食
同义词：
['optical occultation', 'optical event']
例句：
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1.The solar eclipse of 2019 was a spectacular sight to behold.
2019年的日食是一次令人惊叹的景象。
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2. During the total solar eclipse in 2018, scientists observed unusually high levels of cosmic radiation.
2018年全日食期间，科学家们观察到了异常高的宇宙辐射水平。
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3. The eclipse is caused by the Earth's shadow blocking the sun's light from reaching the moon.
日食是由地球的影子阻挡太阳光到达月球造成的。