[ 'reidә ] 柯林斯星级 ★★☆☆☆ BNC词频 7112 COCA词频 4780 n. 雷达, 无线电探测器 [计] 雷达图 n. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects 复数: radars 英汉双解字典由 ECDICT 提供