n.污迹( smear的名词复数 )；污斑；（显微镜的）涂片；诽谤v.弄脏( smear的第三人称单数 )；玷污；涂抹；把…擦模糊 双语释义：v.(动词)vt. 涂抹 spread a greasy or sticky substancevt. 弄脏，弄污 make sth dirty or greasyvt. 把…擦模糊 blur sth by rubbing itvt. 玷污，诋毁 damage sb or sb's reputation by suggesting they have acted i