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- I have a slight calcium deficiency. 我有点缺钙。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- Calcium is beneficial to our bones. 钙对我们的骨骼有益。
- The child has a calcium deficiency. 那孩子缺钙。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- calcium dioxide 二氧化钙
- The boilers will have to be scoured out to remove the calcium deposits. 锅炉内壁要洗刷一下，除去钙质沉淀物。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- The carbon dioxide is expelled by the lungs. 二氧化碳由肺排出。
- What we exhale is carbon dioxide. 我们呼出的是二氧化碳。
- Carbon dioxide may not be a typical air pollutant. 二氧化碳可能不是一种典型的污染物。
- Strongly acid peat soils are often low in calcium. 强酸性泥炭土常呈现低钙。
- Pyroxenes and amphiboles also contain calcium. 辉石与闪石也含有钙。
- Carbon dioxide is converted into oxygen through the agency of plants. 二氧化碳由於植物的作用转化为氧气。
- Calcium is good to the growth of your bones. 钙有助于你的骨骼生长。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Calcium is absent from his diet. 他的饮食中缺乏钙质。
- To lose calcium or calcium compounds. 脱去钙，脱去钙化合物
- Calcium is found most abundantly in milk. 奶含钙最丰富。
