blue john meaning in English
【矿物】紫萤石。
Examples
- In 2003 , ralston , then 27 , was climbing alone in blue john canyon in southeastern utah . he told no one about his planned route , a decision he would come to regret
2003年， 27岁的拉斯顿只身来到位于犹他州东南的布鲁庄峡谷攀岩。当时他决定不告诉任何人他要去哪里，后来证明，这是一个令他后悔的决定。