1. It was the high concentration of o ium in their blood.

死因是他们血液里的高浓度锇

2. Because o ium is extreamly wear but isn't all that valuable.

因为锇这种金属虽然很坚硬 但并不珍贵

3. It appears...the o ium was mixed with another element.

似乎 锇中掺杂了其它元素

4. Whoever enabled these people to float is altering the basic properties of o ium, making the heaviest element lighter than air.

让这些人浮起来的人 肯定改变了锇的基本性质 让最重的元素变得比空气还轻

以上参考资料就是本英汉词典详细汇总的单词osmium的翻译英语含义，如有错漏请向我们提供反馈意见。