氢原子 氫原子

    qīngyuánzǐ

    1. Nounhydrogen atom

    科学家正在研究氢原子的运动轨迹。Kēxuéjiā zhèngzài yánjiū qīngyuánzǐ de yùndòng guǐjì.Scientists are studying the trajectory of hydrogen atoms.