Like the calcium phosphate stones, struvite stones are dirty white and radiopaque under an X-ray.

同磷酸钙结石一样，鸟粪石是灰白色的，在X线片上是不透光的。

This can combine with ammonium to form struvite stones that often form large staghorn renal calculi, or kidney stones.

沉积下来的物质与铵结合形成磷酸铵镁成分的鸟粪石，通常形成巨大的鹿角型肾结石，或普通肾结石。

It is the 2nd most common cause of UTIs after E.coli, and can also cause formation of struvite urinary stones.

它这是继大肠杆菌之后次常见的导致尿路感染的病原体，同时也会导致鸟粪石尿结石的形成。

A fourth type are struvite stones, sometimes called infection stones, which are a composite mix of magnesium, ammonium, and phosphate.

第四种类型是鸟粪石，也被称作感染性结石，是镁、铵和磷酸盐的混合物。

The most common type of stones are calcium oxalate stones, though other types include uric acid stones and struvite stones.

草酸钙结石是最常见的类型，其他类型的结石有尿酸结石和感染性结石。