limestone [ˈlaɪmstəʊn]以下由轻松背单词网站提供
单词级别第8级基本释义n.石灰石英英释义a white or light grey rock which is used as a building material and in the making of cement参考例句Limestone is often used in building construction. 石灰岩常用于建筑。Cement is made from limestone. 水泥是由石灰石制成的。 推荐阅读 |