The capital of Poland , in the east-central part of the country on the Vistula River .
波兰首都，位于该国中西部，维斯杜拉河畔。
Five Russian armies in the central sector rolled into Poland , reached the Vistula River in late July .
在中部战场，五支俄军滚滚涌进波兰，于7月末到达维斯杜拉河。
Vistula RiverVistula RiverVistula River