rathadj.较普早期的；早熟的=rathe.n.(古代爱尔兰酋长所居住的) 古堡ratn.变节者；鼠；卑鄙的人v.捕鼠；背叛；偷窃Rathke's trabecula夸比乌斯ratoon cultivation再生栽培Rattus infraluteusn.大土黄家鼠rat conical neuron神经元细胞rating organization制定费率机构,资信分等机构Rats papillomavirus大鼠乳头状瘤病毒Rattus morotaiensisn.摩罗泰家鼠ratating arc sensor旋转电弧式传感器rat-tooth forceps鼠齿钳rat cerebral cortex鼠脑皮