名词短语
中文翻译：总光度开始
同义词：
['total eclipse例句：1. The solar eclipse is the beginning of totality.（日食是总光度的开始。）2. During the total eclipse', 'the sun was completely blocked from view.（在全食期间，太阳完全被遮挡。）']
例句：
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1. The solar eclipse is the beginning of totality.
日食是总光度的开始。
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2. During the total eclipse, the sun was completely blocked from view.
在全食期间，太阳完全被遮挡。
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3.The astronomers were observing the beginning of totality when a new satellite passed by.
当一颗新的卫星经过时，天文学家正在观察总光度的开始。