短語詞組短語prop sth up 支起某物prop p up 支持prop -up and intercalation 柱撐插層to prop sth up 撐住Prop -UP and Pole 透氣孔bipedal prop -up stage 雙腳支撐堦段prop up stand 可折曡支架support prop up 支撐 返回 prop up