Granulometry
(岩石)粒度测定(术)
🗣️ 情景例句
What would you like to eat?
你们要吃点什么？
It's about time!
正是时候。
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。