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In general , any vitamins or minerals the body can 't absorb are simply excreted .

总体而言，任何人体无法吸收的维生素或者矿物质都会被排泄出去。

Researchers at reading university found that subtle changes occurred in metals as worms ingested and excreted soil .

雷丁大学的研究人员发现，蚯蚓摄取了土壤中的金属再排泄出来之后，其中的金属发生了细微的变化。

In dr. dawson-hughes 's new study , an alkaline supplement lowered the amount of calcium that volunteers excreted by 20 percent .

道森休医生的一项新研究发现，在实验志愿者的饮食中添加碱性辅食能把他们排泄的钙降低20%。

They found that properties of metals in the material excreted from earthworms were slightly different from those found in the rest of the soil .

他们发现，蚯蚓排泄物中的金属跟从其余土壤中发现的金属在特性上稍微有所不同。

Because caffeine acts as a diuretic , increasing the amount of calcium excreted in urine .

因为咖啡因有利尿的作用，这使得通过尿排出的钙质更多。