长江是我们伟大祖国的大动脈,它从我国西南山地经三峡流入江汉平原。宜昌以下可行大轮船,浅水轮船可直达重庆。它的中游下游地区都是我国的鱼米 The Yangtze River is the main artery of our great motherland. It flows from the southwest mountainous region of our country to the Jianghan Plain via the Three Gorges. Yichang following feasible big ships, shallow water ships can reach Chongqing. Its lower reaches of the middle reaches of our country are fish and rice