sandbank
5.They were winning the boat race until their boat ran aground on a sandbank.
6.They lived with their Mother in a sandbank,underneath the root of a very big fir tree.
7.We ran aground on a sandbank and had to sit it out until the next high tide.
8.The ship was so large that it could only cross the outer sandbank and enter the harbour safely on the flood tide.
9.That fast-growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river.
