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.
钙可能有助于预防结肠癌。
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.
当然，钙只是这个故事的一部分。
接枝苏氨酸化合物可以吸附铜铁钙三种金属离子。
Threonine grafted compound could adsorb cuprum, iron and calcium.
巢里的那些恐龙可能是成年雄性，不会需要用来制造蛋壳的钙。
Those dinosaurs on the nests were probably adult males who wouldn't have needed calcium for making eggshells.
然而，很多海洋生物的骨骼由一种叫作霰石的碳酸钙矿物变体组成。
In many marine creatures, however, the skeleton is composed of a mineral variety of calcium carbonate called aragonite.
普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate—both preservatives.
例如，所谓的蛇形土壤缺乏钙，只有对低水平的这种矿物质耐受的植物才能生存。
So-called serpentine soils, for example, are deficient in calcium, and only plants able to tolerate low levels of this mineral can survive.
其他研究人员推测，蜥脚类动物吞食这些石头是为了获取它们需要的一些矿物质，比如钙。
Other researchers speculate that sauropods ingested these stones as a source of some the minerals they needed, such as calcium.
像豆腐、豆豉和强化豆奶这类大豆制品在这方面有双重功能，因为它们可同时提供钙和蛋白。
Soy products like tofu, tempeh and fortified soymilk do double duty in this regard, since they provide both calcium and protein.
吃一顿营养均衡的早餐有助于增加我们的能量，同时也有助于补充整夜所消耗的蛋白质和钙。
Eating a balanced breakfast helps to up our energy, as well as make up for protein and calcium used throughout the night.
它可以在下雨时被冲刷掉，也可以释放到大气中，而磷与钙和铁结合，可以在土壤中保存数千年。
It can be washed out when it rains or it can be released to the atmosphere, whereas phosphorus combines with calcium and iron, and can be preserved in the soil for thousands of years.
例如，G10石榴石，一种通常发现于富含钻石的管道中的石榴石，与无钻石管道中的石榴石相比，其钙含量较低，铬含量较高。
For example, G10 garnets, a type of garnet typically found in diamond-rich pipes, are lower in calcium and higher in chrome than garnets from barren pipes.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
除了水，孩子们还需要大量的钙来发展强健的骨骼，而牛奶中含有丰富的钙。
Besides water, kids need plenty of calcium (钙) to grow strong bones (骨头), and milk is rich in it.
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。
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，其功能是促进钙从肠道吸收并沉积在骨头中。
Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.
钙的重要来源包括奶酪，酸奶，干酪等。
The sources of calcium include cheese, yoghurt, fromage, etc.
钙的重要来源包括奶酪，酸奶，干酪等。
The sources of calcium include cheese, yoghurt, fromage, etc.
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