三十年河东 meaning in Chinese

every dog has his days

The material of the nature is limited , the east hurt , the west isn ' t rich . the abyss of time laws of the material is also constant . the river east of 30 years , the river west of 40 years , is also a regulation . all sciences are flourishing , society development all be try very hard to of to the material that nature take . once the material is dried up be also the mankind ' s end
自然界的物质是有限的,东边不败,西边不富.物质的永恒定律也是不变的.三十年河东,四十年河西,也是规律.所有的科学发达,社会发展都是在拼命的向自然界索取物质.一旦物质枯竭也就是人类的终结
Because the yili river belongs to plain broad and shallow moving river , the main channel changes greatly and swings to a large range , which leads to river crooked branching river type and s curved , many fork rivers , the river continent and the river beach in river center , alluvial shoal and beach . the width in some section of the river is up to about 3800m . in flood season it causes serious harm to farmland , factories , residents along two sides
由于伊犁河属于平原游荡性宽浅河流，主槽变化不定，摆动幅度极大，河道多呈弯曲分叉河型和s型弯道、多叉河、河心洲，河心滩和冲击浅滩及边滩，部分河段河床宽度达3800m ，洪水季节对河道两岸的田地，工厂，居民等造成极大的危害，素有“三十年河东，三十年河西”之称。