详细解释:n. 一磅重的东西, 捣碎者, 杵, 捣具, 重...磅的东西
英语解释：
名词 pounder:
(used only in combination) something weighing a given number of poundsa heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone同义词：pestle, muller