单词：bluestone
音标：['blu:stәun] ；
n. 硫酸铜, 胆矾
[化] 胆矾; 蓝灰砂岩
[化] 胆矾; 蓝灰砂岩
n. bluish-grey sandstone used for paving and building
词型变化：名词复数形式 : bluestones
词性分布：
bluestone的用法和样例：
例句
用作名词(n.)
- The bluestone he is standing on is the material for covering this road.他脚下有一块青石板，这条路都是用这种石头铺成的。
- Standing on bluestone door steps, she was so excited that her heart felt shaking.她站在青石台阶上，心里激动得发抖。
- They are trying to mensure the content of copper in bluestone.他们正试图测量硫酸铜中铜的含量。
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发表于:2019-01-16 / 阅读(229) / 评论(0)
2018年NPR美国国家公共电台1月
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