raton.火箭助推起飞(起飞辅助火箭)ratn.变节者；鼠；卑鄙的人v.捕鼠；背叛；偷窃ratafee leaven果酒酵母ratooning crop再生稻Ratufa affinisn.斑臀巨松鼠rating of land土地定级Rattus tunneyin.滕氏家鼠Rathke's tumor拉哈夫,是以色列制造的潜艇rat lung strip鼠肺条Rat-Kangaroo蹼, 鼠袋鼠Rat islet cell大鼠Rattus coxinga向腹鼠