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Even when a night appears completely dark, near-infrared light is emitted by the moon and stars.
在漆黑的夜里,月亮和星星所发的光与红外线很接近。
youdao
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Even when a night appears completely dark, near-infrared light is emitted by the moon and stars.
在漆黑的夜里,月亮和星星所发的光与红外线很接近。
youdao