Stratigraphic
a. 地层学的
🗣️ 情景例句
My pleasure, Doctor.
非常荣幸，医生。
She insists that it doesn't make any difference to her.
她坚持对她没有任何差别。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。