柯林斯詞典radioactive /?re?d?????kt?v/ 1. ADJ Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays. 放射性的 The government has been storing radioactive waste at Fernald for 50 years. 該政府50年來一直在弗納德儲存放射性廢物。2. radioactivityN-UNCOUNT 放射性 ...the storage and disposal of solid waste that is contaminated with low levels of radioactivity. …對受到低水平放射汙染的固躰廢棄物的儲存和処置。 返回 radioactive劍橋詞典having or producing the energy that comes from the breaking up of atoms 具有放射性的；有輻射性的 Uranium is a radioactive material . 鈾是一種放射性物質(zhì)。 radioactive waste 放射性廢料 返回 radioactive