Petrographic
a. 岩相学的；岩类学的
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
You walk so fast that I can't keep up with you.
你走得太快，我跟不上你。
That was a long time ago,wasn't it?
那是好久以前的事了。是吗？