Microbiostratigraphy
微体生物地层学
🗣️ 情景例句
May I have a pillow and blanket, please?
能给我一个枕头和毛毯吗？
Along the northern coast there are many high cliffs.
沿着北部的海岸有许多高峡谷。
Don't keep the truth from me.
别瞒着我事实真相。