英 [?pɑ:tikl ?reidi?ei?n]
美 [?pɑrt?k?l ?redi?e?n]
[釋義]粒子輻射;
[網絡]粒子輻射; 微粒放射;
[例句]Alpha and beta particle radiation is lower energy and can often be
blocked by just a sheet of paper.
α和β粒子輻射的能量較低，壹頁紙片便可以阻擋住它們。