词汇	gravel-sand riverbed
释义	gravel-sand riverbed 卵石夹沙河床
随便看	photographic plotter photographic plotting head photographic pod photographic positive photographic positive film photographic press photographic print photographic printer photographic printing photographic, printing photographic printing frame photographic printing nuit photographic printing paper photographic prints photographic procedure photographic process photographic, process photographic processing Photographic Processing Cells photographic processing equipment Photographic Processing Facility photographic projection photographic properties photographic property photographic pupillometry