proportion读音_例句
proportion 朗读
proportion
音标：prə'pɔːʃən
proportion翻译
proportion双语用法和例句
相关单词
propulsion palearctic propagator posttraumatic polyautography phototype prepayable photobiology philately poaceous pecksniff priestly prefabricate paletot paragon paramagnetism painstaking phidias pernik puttyroot