Reptiles raised in artificial environment always lack the irradiation of natural light, so that their skeletons often grow slowly and become deformed.
人工圈养的爬虫，缺乏自然光的照射，多骨骼发育缓慢、畸形。
Reptiles raised in artificial environment always lack the irradiation of natural light, so that their skeletons often grow slowly and become deformed.
人工圈养的爬虫，缺乏自然光的照射，多骨骼发育缓慢、畸形。
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