经常摄入促进运动一样的各种矿物质钙，磷，镁的骨骼和组织。
Like the promotion of regular intake of a variety of minerals calcium, phosphorus, magnesium and organization of the skeleton.
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.
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.
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