Paleocurrent
[地质]古水流
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
He has a ring.
他有一只戒指。
Imagine the effect on a reasonably advanced technological society,
那么可以设想，这将对这个社会产生何等的影响。但科技相当发达的社会，