the lower Yangtze macro-region是什么意思原句是:Shanghai was an important _英语解答

the lower Yangtze macro-region是什么意思
原句是:
Shanghai was an important river and coastal port in the lower Yangtze macro-region

人气：471 ℃　时间：2020-06-27 06:27:51

解答

上海是长江下游地区的一个重要江河沿海港口.