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Rattus rattus[医] 黑鼠rataria larva后期红核幼虫Ratooningrice洪水再生稻ratbite fevern.[医]鼠咬热rat tail file鼠尾锉rat-packingn.胡作非为rating factor额定因数Ratooned rice再生稻rating matrix分等矩阵ratti coating拉蒂厚斜纹呢