By what is kidney stone basically caused?

肾结石主要是由什么引起的？

Instead, they were told that Tessa had a kidney stone.

可医生却说她患了肾结石。

Some hospitals have opened pediatric kidney stone clinics.

有一些医院甚至开设了儿科肾结石专科门诊。

Jackson also had treatment for a kidney stone a few months back.

杰克逊也有治疗肾结石的几个月回来。

So I took her to the vet, who said Bubu had kidney stone disease.

所以，我把她带到兽医，那里的人说布布得了肾结石病。