percolates的音标？

At a low flow rate, fluid merely percolates through the void spaces between stationary particles.当流速低的时候, 流体只是穿过静止的颗粒之间的空隙.Water percolates through sand.水由沙中滤过.When gas percolates at a low speed in medium with low permea...

v.滤( percolate的第三人称单数 )，渗透，（思想等）渗透，渗入...