以强光照射 meaning in English

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In a dark place , our pupils dilate . a person will feel discomfort and lost his dark adaptation if a strong light shines on his eyes suddenly
人的瞳孔会在黑暗地方扩张，如果突然以强光照射眼睛，不但令人感到不适，更会使人看不见较暗的星星。
In a dark place , our pupils dilate . a person will feel discomfort and lost his dark adaptation if a strong light shines on his eyes suddenly . photos of wispy nebulae and galaxies can only be taken with extended exposure
人的瞳孔会在黑暗地方扩张，如果突然以强光照射眼睛，不但令人感到不适，更会使人看不见较暗的星星。