n.铀(放射性化学元素)

That country is the worlds largest exporter of uranium.
那个国家是世界上最大的铀输出国。
You never imagined that there would be uranium in your kids.
你们从来也想不到铀会在你们孩子的体内。
Lisa found that pitchblende was more radioactive than uranium by itself.
丽萨发现沥青油矿，它的放射性要比铀本身还要强。
Uranium is a radioactive element with the atomic number 92.
铀是一种原子序数为92的放射性元素。
The nuclear power plant uses enriched uranium as fuel.
核电站使用浓缩铀作为燃料。
Uranium ores are typically found in mineral deposits underground.
铀矿通常在地下矿物沉积中被发现。
The discovery of uranium's radioactive properties led to the development of nuclear energy.
铀的放射性性质的发现促进了核能的发展。
Handling uranium requires special safety measures due to its radioactivity.
处理铀需要特别的安全措施，因为它具有放射性。
The half-life of uranium-238 is about 4.5 billion years.
铀-238的半衰期约为45亿年。
Uranium enrichment is a process that increases the concentration of the fissile isotope uranium-235.
铀浓缩是一个提高可裂变同位素铀-235浓度的过程。
Some countries rely heavily on uranium for their electricity production.
一些国家严重依赖铀来生产电力。
The mining and processing of uranium can have significant environmental impacts.
铀的开采和加工可能对环境产生重大影响。
Nuclear physicists study the properties and behavior of elements like uranium to advance our understanding of atomic energy.
核物理学家研究铀等元素的特性和行为，以推进我们对原子能的理解。