短语词组短語innocuous a 無害的;不關痛癢的innocuous drink 無毒的酒innocuous harmless 無害innocuous effluent 無害廢水;無害排出物innocuous substance 無害物質;繙譯innocuous snakes 無毒的蛇innocuous product 無害産物innocuous drug 良性葯物 返回 innocuous