The only naturally rich dietary sources are oily fish from the sea like salmon and mackerel, egg yolks, liver and fish liver oil.

富含天然维生素d的食品只有含油较多的鱼，例如三文鱼和鲭鱼、蛋黄、动物肝脏和鱼肝油。

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The contents of lipid and neutral lipid in the fish liver increased with the increase of dietary lipid level, but were not significantly different from each other in the appropriate lipid level.

肝脏脂质含量和中性脂质含量随着饲料脂肪添加量的增加而升高，但在饲料脂肪适宜含量范围内各组间却无显著差异。

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Helps detoxify. True vitamin a is found only in animal foods such as cod liver oil; fish and shellfish; and liver, butter and egg yolks from pasture-fed animals.

真正的维生素a只能在动物食品中找到，如鳕鱼甘油、鱼类和甲壳类动物、肝脏、牛油、草食性动物的蛋黄等。

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Vitamin A is found in fish liver oil.

VOA: special.2009.04.21

Fish liver oil also contains vitamin D.

VOA: special.2009.04.21

Small amounts of vitamin D can be consumed through food, such as fish, cod liver oil, and fortified milk and juice.

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Vitamin D is commonly found in fish, eggs, fortified milk, cod liver oil and in supplements.

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He turned back and said something to the two men who were on the other side of the fish, hacking away at the connective tissue around its liver.

NEWYORKER: Swimming