crawdad英美网络 小龙虾; 喇蛄; 螯虾COCA.35728英英释义nounsmall freshwater decapod crustacean that resembles a lobsterSynonym:crayfishcrawfishcrawdaddytiny lobster-like crustaceans usually boiled brieflySynonym:crayfishcrawfishecrevisse双语例句