1.  calcium
2.  autunite
3.  Ca

• 1. 钙: Calcium | Ca | Free Calcium | Mg
• 2. 氯化钙: calcium chloride anhydrous | CaCl | drous calcium chloride | calcium chloride
• 3. 氧化钙: calcium oxide | quicklime | calcia

更多释义

• 1.从食物中吸取钙需靠维生素D的帮助。
  Vitamin D is necessary to aid the absorption of calcium from food.
  dict.yoduao.com
• 2.钙可能有助于预防结肠癌。
  Calcium may aid in the prevention of colon cancer.
  dict.yoduao.com
• 3.钙能与水产生化学反应但不如钠以及钾那么剧烈。
  Calcium reacts with water but less violently than sodium and potassium do.
  dict.yoduao.com

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