Mannheim怎么读

He had since become one of the busiest architects in Mannheim, then a booming industrial town.从那时起,他便是那个当时正欣欣向荣的工业城市曼海姆最走红的建筑师之一.Convention concerning the Navigation of the Rhine ( Convertion of Mannheim )莱茵河航行公约 ( 曼海姆公约...

曼海姆（德意志联邦共和国西南部城市）...