Topostratigraphy
地方地层学
🗣️ 情景例句
What was that?
会是什么呢？
It's up in the air.
尚未决定。
Armed with the right tools and materials, newlyweds gaily embark on the task of decorating their own homes.
新婚夫妇找来合适的工具和材料，喜气洋洋地开始布置新房。