radar /ˈreɪdɑːr/ n. 雷达;点击音频收听跟读 ↓↓↓↓↓↓（网络问题不显示请关闭头条app后台重新打开）例句/词组:We could see the plane quite clearly on the radar screen. 在雷达屏幕上可清晰地看见飞机。
Today a set of car keys caught WALL · E’s attention. Not knowing what they were， he went about inspecting them. He pushed the remote lock button， and somewhere deep in the trash heap a car alarm chirped. That was interesting.
telescope /ˈtelɪskoʊp/ n. 望远镜:点击音频收听跟读 ↓↓↓↓↓↓例句/词组:Details on the moon's surface can only be seen through a telescope. 月球表面的详细情况只有通过望远镜才能看到。
