川流不息: the stream never stops flowing.; a continuous flow (of); come and go in an endless flow; coming and going all the time; continually flowing out; continually going on; flowing past in an en
宽阔的林荫道上汽车川流不息: automobiles speed in an endless stream along the boulevard
参观者川流不息地进入展览厅: visitors entered the exhibition hall in a steady stream