The River Piatra Caprei is a tributary of the river Sâmbăta in Romania .
The Piatra Caprei River is a tributary of the Sâmbăta River in Romania .
The Piatra Caprei River is a tributary of the Sâmbăta River in Romania .
解释一下这句话: The River Piatra Caprei is a tributary of the river Sâmbăta in Romania . 输出: