detection head

英 美
  • 探头
  • detection n.探测;侦查;察觉;发觉
  • head n.头部;头脑;顶端;领袖;硬币的正面v.前进;为首;朝向adj.首要的;前面的
    1. He popped his head around the door and said hello.
      他从门后探一探头,打了声招呼。
    2. I saw a cardboard box with the head of a puppy sticking out.
      才看到有只小狗从某个纸箱里探头出来。