greenstone是什么意思音标:英 ['gri:nstəʊn]美 ['gri:nˌstoʊn]

n. 绿岩, 软玉

n. A name formerly appped rather loosely to certain
dark-colored igneous rocks, including diorite, diabase, etc.

greenstone的用法和例句：

1.The greenstone it goes milky on the surface.

绿岩 它的表面会变成乳白色