headwaters造句
Finishinglunch,wewenttothedriftingheadwaters.Theywerebornintheheadwatersofsomestream.Thetheoryofcompetitivepreponderantandinnovationontouristtradeintheheadwatersofpearlriver;Theculturefactorsincreatin...
Finishinglunch,wewenttothedriftingheadwaters.Theywerebornintheheadwatersofsomestream.Thetheoryofcompetitivepreponderantandinnovationontouristtradeintheheadwatersofpearlriver;Theculturefactorsincreatin...