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rat's behaviorn.赖格尔(在印度；东经 82º06' 北纬 19º51')rattling sound啰音Ratanatithinan拉达纳蒂提南rating tonnage额定吨数Rat novel gene大鼠新基因Rattus hamatusn.钩鼠Rathke's folds劳蒂卡Rathke's pouch拉科内Rattus saloccon.盐耙鼠Rattus coxingi自腹巨鼠