Paleocurrent
[地质]古水流
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
What's your plan?
你的计划是什么？
Let me see. Oh dear! Yes, it is broken.
让我看看，天哪！是坏了。