1.b> (), ; (.i> .i>); water percolates through the sand ; new theories percolate very slowly ; the idea percolated into his head .i> ,i> / ; it had percolated through to us that ... / , ...; the news has begun to percolate through the staff ;
2.b> .i> (), ; ;
3.b> 1) () [.i> percolatorr> 3 1)];
2) () i>;
4.b> .i> (), .