基本解釋n. （美）波士華地區(qū)（波士頓至華盛頓的人口稠密區(qū)）英漢例句雙語例句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.長三角城市群雖然是中國最大的城市群，但是與世界級城市群相比還有一定差距。nysk.njupt.edu.cnBoswash更多例句