短語詞組短語at the lowest level 在最低水平at the lowest ebb 衰落到極點at the lowest point 最低點Concrete at the lowest 最低混凝土At The Lowest Cost 以最低成本at the lowest possible figure 以盡可能低的價格recovery at the lowest layer 最高層恢複be at the lowest ebb 山窮水盡;衰落到極點 返回 at the lowest