Fragments of rock coarser than sand, and frequently mixed with it.

小石；砂砾。

Small, solid matter in the bladder and kidneys.

结石。

To cover with fragments of rock.

盖以碎石；覆以砂砾；铺以砂砾。

To run aground on a beach; said of a vessel.

搁浅(指船言)。

To embarrass.

困扰；使窘迫。