They came to Russia from Poland in the 18th century , and their language contains Russian , German and Polish words .
They came to Russia in the 18th century from Poland , and their language includes Russian , German , and Polish words .
They came to Russia in the 18th century from Poland , and their language includes Russian , German , and Polish words .
解释一下这段文字: They came to Russia from Poland in the 18th century , and their language contains Russian , German and Polish words . 输出: