基本解释无甲目同根派生 Anostraca相关词英汉例句fairy shrimp:any of various transparent freshwater crustaceans of the order anostraca that lack a carapace and characteristically swim upside-down. "仙虾:透明的淡水鳃足类的任何一种;无甲壳并且倒置游动.;"Anostraca更多例句