短語詞組短語be based upon 基于be renewed upon 時獲得續(xù)約;續(xù)約后can be relied upon 受到信賴be sharp upon 苛待be clothed upon 使帶有be based upon science 建立在科學基礎(chǔ)之上be consequent upon 因而引起的;因be nuts upon 對…了如指掌be engaged upon 著手 返回 be upon