获取独家产品信息,尽享促销优惠!立即订阅,不容错过
* 限···时··优惠
An ancient 'supervolcano' has been found hiding beneath eastern England. But experts say there's not enough evidence to call it that.
地质学家最近在英格兰东海岸发现了一座拥有 4.544 亿年历史的火山,但该结构是否可以被视为“超级火山”仍然是一个悬而未决的问题。