大学英语词汇短语释义解析及例句 accumulation layer


释义：

accumulation layer 累积层

例句：



Thus we can infer that Nihewan ape-man may either rest under the bare cliff of the Gorge Area or be buried in the marsh country or deep in the lake bed, or in the accumulation layer of the cavern.

由此推测，泥河湾大猿人或沉睡于沟壑区的裸崖下，或葬身于沼泽地带和湖底，或安葬于山洞的堆积层里。