radioactive substances
放射性物质：指那些原子核不稳定
常用释义
英式发音
美式发音
基本释义
- 放射性物质：指那些原子核不稳定，能够自发地放射出粒子或电磁辐射的物质。
例句
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1·Marie Curie, now at the highest point of her fame and, from 1922, a member of the Academy of Medicine, researched the chemistry of radioactive substances and their medical applications.居里夫人现在的名气到达顶峰，从1922年开始，她是医学学会的成员，研究放射性物质的化学性质及其医学应用。
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2·Radioactive substances may be implanted in tumours.可以把放射性物质植入肿瘤。
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3·Mr Wu said there had been no leaks of radioactive substances.吴先生说，没有泄漏放射性物质。
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4·Conventional luminous paints all used to rely on radioactive substances to generate their afterglow.传统的夜光涂料都依靠放射性物质发光。
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5·Still another geophysical device. That is Geiger counter, which detects the presence of radioactive substances.还有一种地球物理勘探仪器，这就是盖格计数器。它用来探查放射性物质的存在。
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6·They do not protect against external radiation, or against any other radioactive substances besides radioactive iodine.他们不能阻止外部的辐射、或是任何其他辐射形式。
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7·These vegetables should be safe for consumption. Traces of radioactive substances have been found but the amount is negligible.这些蔬菜可以安全食用。虽然发现极微量的辐射物质，但是分量微不足道。
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8·There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
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9·Unfortunately, there is no question that radioactive substances are leaking into the atmosphere from the Fukushima nuclear power plant.不幸的是，放射性物质无疑正从福岛核电站泄漏到大气中。
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10·Unfortunately there is no question that radioactive substances are leaking into the atmosphere from the Fukushima nuclear power plant.不幸的是，放射性物质无疑正从福岛核电站泄漏到大气中。