单词hardrock
na.: 剧烈摇滚乐
网络: 硬摇滚；硬石；硬式摇滚
A couple years ago, Emily Baer signed up for a race called the Hardrock 100, which tells you all you need to know about the race.
在几年前，埃米莉·贝尔报名参加了一个名为硬石100的比赛，这就是关于这个比赛你们所需知道的一切了。
And uranium is treated just like other hardrock minerals such as gold and copper.
铀矿的待遇只是和黄金和铜等重金属矿物一样。
Research on hardrock step control blasting technology
硬岩台阶控制爆破技术研究
Study on Predication Method of Deep Well Rockburst of Hardrock Mine
硬岩矿山深井岩爆预测方法的研究