作业帮it continues to pile up deeper and deeper year after year and century after century是什么意思?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/31 06:03:03
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.