befoul英美v. 弄污,弄脏; 诽谤,污蔑过去式:befouled 现在分词:befouling 第三人称单数:befouls 过去分词:befouled COCA.44451英英释义verbspot, stain, or polluteThe townspeople defiled the river by emptying raw sewage into itSynonym:fouldefilemaculate