词汇	保持同等水平
释义	保持同等水平 keep levelwith水平
随便看	introducees introduce evidence introduce first introduce foreign capital introduce foreign funds and technology introduce formally introduce high-end products introduce improvement introduce intellectual resources introduce new species introduce new techniques introduce new varieties of wheat introduce new words into a language introduce of security motor capacitance introduce oneself introduce only disease free cattle Introduce other sister hotels collateral introduce paper making introduce perfunctorily introduce plan introduce program introduce programme introduce projects introduce quickly introducer