同根派生 danube river相关词英汉例句Vienna is a beautiful old city on the river Danube.维也纳是多瑙河边上一个美丽的古城。They had hit the railroad yards at Linz along the Danube River.他们要轰炸多瑙河沿岸位于林滋的铁路工厂。danube river更多例句