1.放射性;放射(现象);
1.The derivative of radioactive
2.a form of energy that is produced by a radioactive substance and is harmful in large amounts
3.the ability that some substances have to produce energy in the form of radiation
1.Giant detectors built to look for a hypothetical form of radioactivity in which protons decay never found such a thing.
为了探测质子衰变放射性的假想形式，人们修建了巨大的探测器，但这些探测器从没发现这种东西。
2.This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.
于是玛丽推断出，在沥青铀矿中可能还有其他具有放射性的物质。
3.Though it was more likely that these events were due to cosmic rays or radioactivity, the results were consistent with a detection of WIMPs.
虽然它更有可能是这些事件是由于宇宙射线或放射性物质，其结果与一个懦夫检测一致。
4.Some of that radioactivity could carry in the atmosphere to the west coast of the United States.
某些核辐射可能通过空气传播到美国西海岸。
5.There was no inkling of the size of the universe beyond the Milky Way, and radioactivity, relativity and quantum theory were unimaginable.
人们对银河那边存在的宇宙究竟有多大一无所知，辐射能、相对论和量子论更是想都不敢想的问题。
6.The Navy says the submarine's nuclear reactor was not damaged , there was no leak of radioactivity and the vessel's hull is intact .
美国海军说，旧金山号的核反应堆没有损伤，没有放射性物质泄漏，潜艇舰体也完好无损。
7.Even radioactivity can expose the source as synthetic or natural. Synthetic vanillin is prepared from coal tar, which has no radioactivity.
通过放射能可以揭露产品的来源是天然的还是人造合成的。
8.Will there be any sort of environmental hazards? ei. Radioactivity, biohazards, etc.
会有环境破坏吗？比如核辐射，生化灾难之类的。
9.The understanding of radioactivity allowed physicists to explain how the Sun and Earth's cores could still be hot after millions of years.
对放射性的理解使物理学家能够解释为什么几百万年以后太阳和地心仍是滚烫的。
10.In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.
最糟的情况是，燃料会从容器单位中洒出，有毒的辐射会进入空气和水中。