radioactive
英[reidiəu'æktiv]美[reidiəu'æktiv]
a.
1.放射性的
1.放射性的
副 词：ra'dioac'tively
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- This is considerably less than the height attained by the radioactive cloud in an air burst
这比在空中爆炸中原子云所能达到的高度要低得多。收藏 - tritium is radioactive and is believed to be the main source of the major traces of 3He found in the atmosphere
氚是放射性的，并且确信是大气中痕量3He的主要来源。收藏 - You may have another certificate showing the goods to be free from radioactive contamination.
你们还要出具另一份证明书，以证明货物没有受放射线污染。收藏 - The transmutation of the elements was no longer the privilege of the radioactive substances alone
元素的衍变不再是放射性物质独具的特点。收藏 - In fission processes the fission fragments are very radioactive.
在裂变过程中，裂变碎片具有强烈的放射性。收藏
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