ratog火箭助推起飞装置ratn.变节者；鼠；卑鄙的人v.捕鼠；背叛；偷窃Rat heart conditioned medium心肌培养基Rats desert a sinking ship.船沉鼠逃离。rats with injured spinal cord脊髓损伤大鼠rating of locomotive resistor机车电阻器的额定值rat estrogen sulfotransferase鼠源雌激素硫酸转移酶Ratings of perceived exertion主观用力感觉rats with hyperlipidemia model高血脂模型rat hemorrhagic encephalopathy大鼠出血性脑病Rats desert a falling house.屋塌鼠搬家。rating under working condition作业时的定额