The phosphorus at the bottom of the ocean has to somehow make its way back to the surface, to complete the cycle, to begin the cycle all over again.(海底的磷必须找到某种方式回到表面，以完成这个循环，从而重新开始这个循环。)
In a normal water phase, rivers eventually empty into oceans, and once in the oceans, the Phosphorus gets absorbed by water plants like algae.(在正常水相下，河流最终流入海洋，而一旦进入海洋，磷就被藻类等水生植物吸收。)
They mined the rock, artificially break it down and put the Phosphorus into agricultural fertilizers.(他们开采岩石，人工把它分解，然后把磷放进农业肥料里。)
The Phosphorus cycle has been studied a lot by ecologists because like I said, Phosphorus is an important nutrient and it's not so abundant.(生态学家对磷循环进行了大量研究，因为如我所说，磷是一种重要而不充足的营养物质。)
Phosphorus is slowly released as the rocks are broken down and it gets spread around into the soil.(随着岩石的分解，磷被缓慢地释放出来，并散布到土壤中。)
Carnivorous plants instead draw nitrogen, phosphorus, and other critical nutrients from their prey in order to build light-harvesting enzymes.(相反，食肉植物从它们的猎物那里吸收氮、磷和其他重要的营养物质，以制造聚光酶。)
Animals end up excreting the phosphorus, which pollutes the ground and water.(动物将此种形式的磷拍到体外，因而污染了土地和水。)
Horse waste is rich in phosphorus and also nitrogen compared to normal soil.(和普通土壤相比，马粪更富含磷和氮。)
Soil samples from these pens or corrals show ten times the concentration of phosphorus.(来自这些围栏或畜栏的土壤样本显示，磷的浓度是其10倍。)
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.(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。)
