- 释义：
- n. 雷达，无线电探测器
- 构词：
- rad=radi辐射,光线+ar器→n.雷达, 电波探测器
- 例句：
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The radar beam can track a number of targets almost simultaneously.
雷达波几乎可以同时追着多个目标.
换一句
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They are following the flight of an aircraft by radar.
他们正在用雷达追踪一架飞机的飞行.
换一句
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The ship, with the help of radar, sailed in thick fog.
船借助于雷达在浓雾中航行.
换一句