英语翻译Quicksand is found in many places.It is found near the m

英语翻译
Quicksand is found in many places.It is found near the mouths of large rivers.The mouth of a river is where the river meets the ocean or the sea.Quicksand is alos found on land.In some places the water stsys on the land.Lt does not drain or dry up.If there is sand around,the sand gets very wet.Then it becomes quicksand的意思