dumper

n (also dumper truck, US dumptruck) small vehicle, used on building sites, etc, with a container that can be tilted to dump its contents （建筑工地上使用的, 有翻斗的）小型自卸载重车.

duke, dukedom, dulcet, dulcimer, dull, dullard, dullness, dully, duly, dumb, dumb show, dumb waiter, dumb-bell, dumbfound (also dumfound), dumbly, dumbness, dumdum, dummy, dummy run, dump, dumpiness, dumping, dumpling, dumps, dumpy, dun, dunce, dunce's cap, dunderhead, dune, dung, dungarees, dungeon, dunghill, dunk, duo, duodecimal, duodenal, duodenum, duologue,