常见例句双语例句Although Yangtze River Delta Megalopolis has become the largest one in China, there is still a certain distance to go before it catches up with Bos-Wash.长三角城市群虽然是中国最大的城市群，但是与世界级城市群相比还有一定差距。nysk.njupt.edu.cn 返回 Boswash