2021-12-21 09:00:02|已瀏覽:136次
托福閱讀長難句實例
Scientists have no direct evidence for recent or ongoing eruptions, but if these volcanoes were active as recently as 100 million years ago (an estimate of the time of last eruption based on the extent of impact cratering on their slopes), some of them may still be at least intermittently active.科學家們并沒有火山近期已經(jīng)噴發(fā)或者正在噴發(fā)的直接證據(jù),但是如果這些火山與最近的1億年前火山一樣活躍(1億年前是人們根據(jù)斜坡上碰撞坑的程度所估計得出的最近一次火山噴發(fā)的時間),那么這些火山中的部分可能至少會間歇性活躍。
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