Therefore it seems that the 3.8 Ga old rock in the Anshan area has always been staying in the upper lithosphere and never went down to the depth greater than 13 km since 3.0 Ga.是什么意思_Therefore it seems that the 3.8 Ga old rock in the Anshan area has always been staying in the upper lithosphere and never went down to the depth greater than 13 km since 3.0 Ga.在线翻译_英语_读音_用法_例句