ground-wave

英[ɡ'raʊndw'eɪv] 美[ɡ'raʊndw'eɪv]
  • n.地波
  • ground n.地面;地方;根据;主题;立场;水平;背景v.使停飞;困在家中;放在地上;使...搁浅;打基础动词grind的过去式和过去分词形式
  • sketch n.速写;素描;草图;概述v.草拟;速写;(简略地)描绘
名词 ground wave:
  1. a radio wave propagated on or near the earth's surface