Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.

维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。

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Vitamin D, or calciferol, is another fat-soluble steroid vitamin that functions to stimulate calcium uptake from the gut and its deposition in bone.

维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进肠道吸收钙并强化骨骼。

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The figures' fat bellies tilted them forward, and a D-shaped base allowed handlers to roll and rock them side to side.

这些人的大腹便便使他们身体前倾，D 形的底座可以让操纵者左右滚动和摇摆。

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Vitamin D is also available in some foods, but as the world gets fatter, Vitamin D gets trapped in body fat.

VOA: standard.2010.05.28

Adding fat-soluble vitamins A, D, E and K to Schwartz's brew didn't make sense, since beer is fat free.

FORBES: To Your Health?

Vitamin D is a fat soluble vitamin that is mainly produced by exposure of the skin to ultraviolet light.

CNN: How much vitamin D do I need?

Vitamin D is a fat-soluble vitamin that occurs naturally in a limited number of foods, so fortified foods including milk, margarines and breakfast cereals and dietary supplements are the major source for most Americans.

CNN: How much vitamin D should someone over 55 take?