考研英语高频词汇radiation n.辐射物,放射物<历年真题考查频次:12次>真题复现1:Similarly,we can't sense radioactivity without a radiation detector.(1982年翻译(2)P2)真题翻译:同样,如果没有辐射探测器,我们也感觉不到放射性。真题复现2:But unlike common radio waves,nuclear radiation is not harmless to human beings and other living things.(1982年翻译(2)P2)