Stratigraphic
a. 地层学的
🗣️ 情景例句
the kids in the ward
住院的孩子们
I turned off when they started talking about computers.
当他们谈论计算机时，我失去了兴趣。
There's a talk on cancer that might be quite interesting, so perhaps I'll go to that.
有个关于癌症的报告可能很有意思，也许我会听听。