radioactive什么意思
radioactive
放射性的;
放射引起的;
辐射;
放射性物品
As carefully as people work with radioactivity here, and using often much, much saferradioactive materials than radium bromide, and using them, and special hoods, and having special procedures, they still do a lot of checking with these Geiger counters to make sure everything's safe.
虽然在这里人们,用放射性物质都非常的小心,而且通常用的材料放射性,都比溴化镭要小得多,并且用的时候,都用特殊的容器,特殊的操作过程,但我们平时仍会用。
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