Biostratigraphic
a. [古生]生物地层的
🗣️ 情景例句
Don't interfere in matters that do not concern you!
别管闲事！
Though malice may darken truth, it cannot put it out.
恶意可以遮暗真理，但不能抹杀真理。
Many people think that Canadians all over the country speak the same way.
许多人认为加拿大全国人的说法都相同。