The calcium carbonate settles to the sea floor.

碳入海底。

Among them, calcium carbonate washed away by continuously running water.

其中的碳会被流水带走。

Over time, these polyps generate rock-like skeletons made of calcium carbonate.

，这些珊瑚虫长出形似石头，由碳组成的骨架。

Coral is made up of small colonial animals, with calcium carbonate skeletons.

珊瑚是由小型珊瑚虫及其碳骨骼聚集而成的。

The whiter ones are more rich in calcium carbonate which is indicative of forams.

白色的部分富含更多的碳，说明这里有孔虫。

Health departments often assess hardness by measuring the milligrams of calcium carbonate per liter.

卫生部门通常通过测量每升碳的毫来评估硬度。

Pearls contain a mixture of protein and calcium carbonate secreted by certain types of molluscs.

珍珠是某些类型的软体动物分泌的碳同蛋白质一起构成的混合物。

And one of those minerals, calcium carbonate, happens to be a very useful building material.

其中一种矿物，碳，恰好是一种非常有用的建筑材料。

That activity in turn causes calcium carbonate to precipitate, an event known as a whiting.

这一过程反过来也引发了被称为whiting反应的碳淀形成。

If the concentration is high, shells sink deeper before their calcium carbonate dissolves.

如果浓度很高，壳将会在完全溶解之前得更深。

Moreover, as water travels through the ground it dissolves and picks up minerals, particularly calcium carbonate.

此外，当水穿过面时，它会溶解并吸收矿物质，尤其是碳。

Also during that period, creatures with hard body parts such as shells made of calcium carbonate appeared.

同样是在那个时期，出现了具有坚硬的身体部位的生物，比如由碳生成的贝壳。

And the deep sea is under saturated in calcium carbonate, so it literally dissolved all the bones.

深海的碳饱和不足，所以它溶解了所有的骨头。

Every summer, as the surface waters warm, flakes of calcium carbonate precipitate out and drift to the bottom.

每年夏天，随着表层海水变暖，碳薄片淀出来，向海底。

Normal concrete is bound with Portland cement, which is made by roasting a mixture that includes limestone (calcium carbonate).

普通的混凝土与硅盐水泥结合在一起，硅盐水泥是通过焙烧含有石灰石的（碳）混合物制成。

Enough of such cyanobacterial work over enough time and eventually you get the Bahamas, built out of calcium carbonate.

需要足够多的这种蓝细菌在长时间里共同参与，最终才会有这个用碳建造起来的巴哈马群岛。

The dinosaur eggshell is composed of calcium carbonate, just like bird eggshells today, like some crocodilian eggs have this hard calcium carbonate eggshell.

恐龙蛋的蛋壳是由碳组成的，就像今天的鸟蛋和鳄鱼蛋一样，蛋壳都是由这种坚硬的碳组成的。

It's the calcium carbonating in his stool.

这是他粪便中的碳。

There are 100.1 grams of calcium carbonate per mole.

每摩尔有 100. 1 碳。

Calcium carbonate's also what's in chalk.

碳也是粉笔中的成分。