学帮网it continues to pile up deeper and deeper year after year and century after century是什么意思?
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/15 16:49:55
it continues to pile up deeper and deeper year after year and century after century是什么意思?
一年又一年,一个世纪又一个世纪,它持续地堆积起来,越堆越深.