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单词 vitamin D
释义

vitamin D

noun [mass noun]
Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol (vitamin D2) and cholecalciferol (vitamin D3).The role of vitamin D in calcium absorption and metabolism for bone health is well known....
  • Good sources of vitamin D are fish liver oil, egg yolk, milk and sunshine.
  • Most fortified soy milks have about as much calcium, vitamin A, and vitamin D as cow's milk.
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更新时间:2025/1/11 3:12:43