rat

n.老鼠

rare earth, rarebit, rarefaction, rarefied, rarefy, rarely, rareness, raring, rarity, rascal, rascally, rase, rash, rasher, rashly, rashness, rasp, raspberry, raspy, Rastafarian, rat-a-tat-tat, rat-tat, ratatat, ratbag, ratchet, rate, rate-capping, rateable, ratepayer, ratfink, rather, rather than, rather too, ratification, ratify, rating, ratio, ratiocination, ration, rational,