percolation
noun [ U ] uk/ˌpɜː.kəˈleɪ.ʃən/ us/ˌpɝː.kəˈleɪ.ʃən/
渗透，渗漏
the process of a liquid moving slowly through a substance that has very small holes in it
the percolation of water through rocks 水从岩石中渗出
扩散，弥漫
the process of something spreading slowly
So far we haven't seen much percolation of higher energy prices through to retail. 到目前为止，我们还没有看到能源价格上涨对零售业的渗透。