Macrostratigraphy
宏观地层学
🗣️ 情景例句
That's an idea I like.
我喜欢这样的主意。
How dare you stand me up!
你竟敢放我鸽子！
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。