核衰變產(chǎn)生的微?；螂姶挪ǚ派湮锏脑踊蚍肿佑捎诤怂プ兎懦龅囊皇⒘；螂姶挪?br/>A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.
眾所周知，世界是由叫做原子的小微粒組成的。 As is known to all, the world is made up of small particles called atoms.
物質(zhì)是由叫做分子的微粒組成的。 Substances consist of small particles called molecules.
