dì / zhì / xué / jiā / tōng / guò / xié / cháng / shí / de / chéng / fèn / pàn / duàn / yán / shí / de / xíng / chéng / huán / jìng

地质学家通过斜长石的成分判断岩石的形成环境。

Geologists determine the formation environment of a rock by analyzing the composition of its plagioclase.