资料来源 : WordNet®

class Pinopsida
     n : most conifers: in some systems classified as a class
         (Pinopsida) and in others as a subdivision (Pinophytina);
         used in some classifications for one of five subdivisions
         of Gymnospermophyta [syn: {Pinopsida}, {Pinophytina}, {subdivision
         Pinophytina}]