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directional [di'rekʃənl]    添加到生词本 复制网址
基本释义
  • a. 方向的
常用短语
    1. directional antenna
      定向天线
    2. directional microphone
      指向传声器，定向传声器
英英解释

  • 　3个形容词解释

    1. relating to or indicating directions in space
      [反] omnidirectional
      [例]
      • a directional microphone
    2. relating to direction toward a (nonspatial) goal
      [例]
      • he tried to explain the directional trends of modern science
      3. show all ... ( 3 )