相关单词近义词 scarcity 缺乏, drought 干旱, poverty 贫困, shortage 不足, lack 缺乏, dearth 缺乏, insufficiency 缺乏, paucity 少数, inadequacy 不充分, rarity 稀有, infrequency 稀少, want 要, absence 缺席临近词scarce 返回 scarceness