词汇	new lower bound
释义	new lower bound 新下界
随便看	bottom die of sand core bottom discard bottom discharge bottom-discharge bit bottom discharge bucket bottom discharge car bottom-discharge door bottom discharge dredger bottom-discharge hopper bottom discharge hopper car bottom discharge meat mixer bottom discharge opening bottom discharger bottom discharge skip bottom discharge valve bottom discharging bottom disease bottom disjoint of approach slap bottom dismande bottom divergence bottom diversion outlet bottom document bottom dog bottom dogs bottom dollar