an inquiry into alleged infiltration by the far left group对所谓极左翼团体的渗入问题所作的调查

The preliminary infiltration would be of four German divisions.最先暗中穿过防线的, 将是德国的4个师。

But the walls and ceilings of tunnels often had to be lined to keep out water infiltration.但是隧道的墙壁和顶部常常必须加衬以防止渗水。

the infiltration of illegal drugs in modern society毒品在现代社会中的逐渐蔓延

It causes fatty infiltration of the liver.它会引起肝脏脂肪浸润。