句子示例
| Westrumite is a rare mineral first described in the early 20th century. | 韦斯特鲁姆石是一种罕见的矿物,首次描述于20世纪初。 |
| The mining company extracted westrumite from the quarry. | 这家矿业公司从采石场开采韦斯特鲁姆石。 |
| Westrumite was used as a safety explosive in coal mines. | 韦斯特鲁姆炸药曾被用作煤矿中的安全炸药。 |
| Engineers tested the stability of westrumite under high temperatures. | 工程师测试了韦斯特鲁姆炸药在高温下的稳定性。 |
| The mineral westrumite is often confused with a similar silicate. | 韦斯特鲁姆石这种矿物常与一种类似的硅酸盐混淆。 |
| Historical records show that westrumite was patented in 1885. | 历史记录显示,韦斯特鲁姆炸药于1885年获得专利。 |