钙质

• Maintain a balanced diet with adequate calcium intake
  注意日常饮食，摄取足够的钙质。
• All other ages are lacking calcium in their diet
  在这以后他们的饮食中缺乏足够的钙质。
• Maintain a balanced diet with adequate calcium intake
  注意日常饮食，摄取足够的钙质。
• Presence of lead also competes with calcium absorption
  导致骨质疏松症的原因：钙质缺乏
• Foods rich in calcium include milk , cheese and yogurt
  富含钙质的食物有牛奶、干酪和酸乳酪。
• Toxic effect of four heavy metals on unicellar marine algae
  四种重金属对海洋钙质角毛藻的毒性
• Adequate calcium intake is necessary to maintain health
  钙质是维持健康的身体魄不可缺少的。
• Fortunately , 5 calcium is present in a wide range of6 foods
  所幸的是，许多食物中都含有钙质。
• Adults should take 1 , 000 milligrams ( mg ) of calcium daily
  成年人每日需要大概一千毫克的钙质。
• Foods rich in calcium include milk , cheese and yoghourt
  含丰富钙质食物包括牛奶，奶酪和酸奶。