atomKK [ˋætəm] /ˈætəm/发音名词1原子Every atom in this sample has the same number of protons.这个样本里的每一个原子都有相同的质子数。2一丝、一点、微量多用于否定句There isn't an atom of truth in what he told the reporters.他对记者说的话没有一丝是真的。用这个字练口说→