1·These decisions were made at PRAYON to develop rare earth.
这些决定是在普拉永公司做出的，目的是开发稀土。
2·I wouldn't rely on my advice about the gold price, not if I were you: my professional expertise is in the rare earth metals, a very different game indeed.
如果换作我是你们的话，我不会依赖我对金价走势的建议：我的专业技能领域是确属完全不同行业的稀土金属。
3·The discovery of lunar water has raised questions as to whether other resources such as helium 2 and rare Earth elements could be found on the moon as well.
月球水的发现带来了更多疑问，是否还有例如氦2和地球上的稀土元素的资源在月球上被找到。
4·While cerium oxide is a rare Earth element, it is one of the more common ones. Its abundance has been compared to copper.
氧化铈是一种较常见的稀土元素，其储存量可以与铜相媲美。
5·But Mr Zhu did not answer a reporter's question about when normal exports of rare earth minerals would resume.
但是朱先生没有回答一个记者的提问即关于何时才能恢复稀土矿正常出口问题。