abradant英美n. 研磨料, 磨蚀剂, 金刚砂adj. 磨损的, 磨磋用的; 研磨用的; 有磨擦性的 (如砂纸等)英英释义nouna tool or machine used for wearing down or smoothing or polishingSynonym:abradera substance that abrades or wears downSynonym:abrasiveabrasive material双语例句