grahamite
英 ['greɪəmaɪt]
美 ['greɪəmaɪt]
词性
名词；
基本解释
n.[矿]脆沥青
网络释义
格林岩，一种硅酸盐岩石，主要由石英和长石组成；
例证
1、Grahamite was first discovered in West Virginia in the 19th century.
2、The grahamite deposits in this region are known for their high quality.
2、The grahamite deposits in this region are known for their high quality.