相关单词同义词falling, descensive, alow, netherward, 近义词 declining, downhill, slipping反义词upward临近词downy, downturn, downwards, downwardness, downwardhole, downward push, downward flux, downward move, downward call, downward pass, downward flow, downward line相似词downtoner, downtown, downtrodden, downturn, downward dog, downwards, downwind, downy, 返回 downward