按照一般的规律,埋藏最深的岩石年代最为久远.The oldest rocks are generally the most deeply buried.在海洋各种深度都有生命, 连最深最深的海槽里都还有呢.The oceans have life at all depths, even in the deepest trenches.阿布特是我认识最早、交情最深的朋友之一.Abt is one of my oldest and best...