Petrographical
a. 岩相学的, 岩类学的
🗣️ 情景例句
Can you tell me about how long it'll take to get to...?
你能告诉我到……有多远吗？
Time cures all things.
时间可以医治一切创伤。
Twenty people had already left.
有20个人已经离去。