Macrostratigraphy
宏观地层学
🗣️ 情景例句
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
Nothing is more precious than time.
世上最宝贵的莫过于光阴。
Yes, they are.
对，这些是英语书。