The slow-moving behemoth had been crossing a volcanicplain 100,000 years ago, when megafauna still walked tall.
这种移动缓慢的庞然大物十万年前曾穿越维多利亚平原，那时巨型动物仍然盛行在大陆上。
2
If a volcanic eruption wipes out all of the plain mice, the island will be repopulated by striped mice.
假设一次火山爆发消灭了所有的普通老鼠，那么这个小岛将是斑纹鼠的天下。
3
In the process of extraction, according to the chief feature that the volcanic cones are situated in lava platform, the study area is classified as plain and mountain firstly.