资料来源 : WordNet®

Sorghum halapense
     n : tall perennial grass that spreads by creeping rhizomes and
         is grown for fodder; naturalized in southern United
         States where it is a serious pest on cultivated land
         [syn: {Johnson grass}, {Aleppa grass}, {means grass}, {evergreen
         millet}, {Sorghum halepense}]