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rat atrial myocytes大鼠心房肌细胞rats olfactory bulb嗅球rat-hole scabbard鼠洞管ratating coordinates转动坐标; 旋转坐标系Rathke's pouch tumor机载导航计算机rat Langerhans islet大鼠胰岛rat type C oncovirus大鼠C型肿瘤病毒ratary vane expander滑片膨胀机rating axle capactiy驱动桥额定桥荷能力Rat myocardial cells乳鼠心肌细胞