Prestratigraphy
前地层学
🗣️ 情景例句
When would you like to return?
你打算什么时候回来？
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
How can I climb up that wall! I wish I were a bird!
我怎么能够爬得上那堵墙？我要是一只鸟就好了！