herringbone crossbedding

例句：

1. 1. The archaeologists foundthe herringbone crossbedding inthe cave, which indicates that the cavehas been used for human habitation fora long time.
   考古学家在洞穴中发现的人字形交错层积物表明，这个洞穴已经被人类使用很长时间了。
2. 2. The layered cross-bedding in the rockformations suggests that the area was oncecovered by a thick layer of vegetation.
   岩石层中的交错层积物表明，该地区曾经被厚厚的植被覆盖。
3. 3. The discovery ofthis type of crossbedding provides valuableinformation about the climate and environment during thetime when these rocks were formed.
   这种交错层积物的发现为研究这些岩石形成时期的气候和环境提供了宝贵的信息。