Petrographical
a. 岩相学的, 岩类学的
🗣️ 情景例句
I don't think you're the right person for me.
我觉得咱们不合适。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
Is that your bike?
那是你的自行车吗？