单词：firestone
n. a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
firestone的用法和样例：
例句
- The firestone was huge in size, cylindrical in shape, cut with six sides.燧石体积巨大，呈圆柱形，被加工成六面体。
单词：firestone 相关文章
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英语新闻
BBC Learning English People and places Richard Firestone Dima:Hello, I'm Dima, and today our guest is Richard Firestone, an American scientist in Lawrence Berkeley National Laboratory who has recently been involved in a fascinating research into an
人与地方