Nucleostratigraphy
核子地层学
🗣️ 情景例句
It's a deal!
就这么约定！
Do you like water-skiing?
你喜欢滑水？
small can mean thunderstorms and blizzards -- any prediction deteriorates rapidly.
小"可以意味着雷暴雨和暴风雪--任何预测的质量会很快下降。