Stratigrapher
n. 地层学家
🗣️ 情景例句
You're welcome.
不用谢
I read 10 lettres.
我读了十封信。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。