“氦核”造句
2024年06月16日 18:37:21
α粒子是从天然放射性蜕变得到的带正电的
氦核.
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
粒子 ——
氦核 —— 正通过试管被抛出, 从而在试管中形成人造迷雾.
Alpha particles -- helium nuclei -- were being hurled through the tube, in which an artificial mist had been created.
粒子是从天然放射性蜕变得到的带正电的
氦核.
Alpha particles positively charged helium nuclei obtained from natural radioactive decay.