hafnium [ˈhæfniəm]以下由轻松背单词网站提供
单词级别附加级基本释义铪参考例句And how is it known that Mars had hafnium-187? 那么是如何知道火星有铪-187的呢? 来自互联网The field emission properties of hafnium coated carbon nanotubes( CNTs) were investigated. 研究了表面沉积铪膜并进行后处理对碳纳米管膜场电子发射性能的影响。 来自互联网 推荐阅读 |