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1·Retinoic acid, this substance is a favorite of all nocturnal animals, because it can help maintain good night vision for night crawler capacity.

黄酸这种物质是所有夜行动物的最爱，因为它能够帮助夜行者保持良好的夜视能力。

2·Yet even as she honed her reputation as a chain-smoking party-loving night crawler Margaret also proved herself a loving mother to her two children with armstrong-jones.

虽然她在公众眼里显然是个烟不离口、热衷于社交聚会的夜猫子，但对她与阿姆斯特朗·琼斯的两个孩子而言，玛格·丽特是个慈爱的母亲。