四川盆地

　　四川盆地是一个群山环绕的完整盆地，平均海拔500米左右，面积约为18万平方千米，是中国的第四大盆地。

　　盆地的西北部有一片长约200千米，宽40～70千米的平原，这就是著名的成都平原。这里有举世闻名的都江堰工程，灌溉肥沃的土地，自古农业发达，物产丰富，素有“天府之国”的美称。

　　盆地内气候冬暖夏热，温差小，雨量充沛，冬季多云雾。

　　The Sichuan Basin

　　The Sichuan Basin is an intact basin surrounded by mountains. With an average altitude of about 500 m and an area of about 180,000 km2, it is the fourth largest basin in China.

　　There is a 200 km-long and 40-70 km-wide plain in the northwest of the basin, which is the famous Chengdu Plain where the world famous Dujiang Weirs have long irrigated the fertile land. Since ancient times, this area has enjoyed a reputation as a "land of plenty".

　　The climate of the basin is warm in winter and hot in summer, with small temperature difference and plenty of rain. In winter, it is mostly cloudy and foggy.