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- The Geiger counter registered a dangerous level of radioactivity. 盖革计数器显示出放射性危险程度。
- People had no idea of radioactivity before Curie discovered redium. 直到居里夫人发现镭后,人们才了解放射性。
- The study of radioactivity began as a piece of pure research. 放射性研究开始时是一项纯理论研究。
- The Geiger counter indicated the existence of radioactivity. 盖戈计算器指示放射性的存在
- The Geiger counter showed the existence of radioactivity. 盖格计算机显示出放射性的存在。
- This device indicates the existence of radioactivity. 这个设备说明了放射的产生过程。
- Deadly weapons; a deadly spill of radioactive waste products. 致命的武器; 导致死亡的核辐射废物的倾倒
- A unit of radioactivity equal to one thousandth(10-3) of a curie. 毫居里放射单位，等于千分之一（10－3）居里
- This conviction was based solely on the atomic nature of radioactivity. 我们的这种信念完全依赖于原子的放射性属性。
- A unit of radioactivity equal to one thousandth(10 - 3)of a curie. 毫居里放射单位，等于千分之一(10－3)居里
- People had no idea of radioactivity before Curie discovered radium. 直到居里夫人发现镭后;人们才了解了放射性.
- The soil contains 30 times the acceptable level of radioactivity. 这片土壤受到了高于标准30 倍的辐射。
- The chemistry of radioactive materials. 放射化学研究放射性物质的化学
- Will alert to the presence of Radioactivity in packages. 当包裹中有放射性存在时发出警报。
- From that time onward numerous scientists devoted themselves to the study of radioactivity. 自那时起，无数的科学家致力于放射性研究。
- The dumping of radioactive waste into the sea was banned in 1970. 禁止倾倒放射性废料入海的禁令在1971年颁布。
- Ernest Rutherford and Frederick Soddy were working out the nature of radioactivity. 是卢琴福和索迪揭示了放射性的奥秘，发表了元素的嬗变理论。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- People didn't have any idea of radioactivity until Madame Curie discovered uranium. 直到居里夫人发现铀，人们才知道放射线。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
