常见例句双语例句The banded rocks have gradually changed into phyllite or slate, which show characteristics of a hydrothermal sediment basin locally depressed.地层走向上 ，条带状岩石渐变过渡为千枚岩或板岩 ，显示局部凹陷的热水沉积盆地特点 ； 返回 banded sediment