Bioturbated
(bioturbate 的过去时) 生物扰动岩
🗣️ 情景例句
What do you want to study?
你想学什么？
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？