词汇	cross-over valueCOV
释义	cross-over valueCOV 医交换值
随便看	essential feature essential features essential fever essential firm essential floral organ essential food essential factors essential factors education essential factors for prediction essential factors of constitution essential factors of contract essential factors of motion essential factors of production essential factors of tourism essential foods essential foodstuff essential football course essential for essential force of human beings essential form Essential Forte essential for / to essential foundation Essential fructosemia essential fructosuria