kē / xué / jiā / yòng / zhì / zǐ / hōng / jī / yuán / zǐ / hé / lái / yán / jiū / qí / nèi / bù / jié / gòu

科学家用质子轰击原子核来研究其内部结构

Scientists use proton bombardment of atomic nuclei to study their internal structure.