Lithostratigraphic
a. 岩石层位学的
🗣️ 情景例句
We'd like to make a reservation for this weekend.
我们想预订一个这个周末的房间。
Easier said than done.
说话容易做事难。
She is a workaholic. She always regards work as the most important thing in the world.
她是个工作狂。她觉得工作是世上最重要的事。