shale [ʃeɪl]以下由轻松背单词网站提供
单词级别第12级基本释义n.页岩,泥板岩英英释义a type of soft grey rock , usually formed from clay that has become hard, which breaks easily into thin layers参考例句We can extract oil from shale. 我们可以从页岩中提取石油。Most of the rock in this mountain is shale. 这座山上大部分的岩石都是页岩。 推荐阅读 |