1VERB 使浸透;浸渍 If someone or something impregnates a thing with a substance, they make the substance spread through it and stay in it. 使浸透;浸渍 [Also VERB n]
Undercover officers found drug-making equipment used to impregnate paper with LSD. [VERB noun + with]
卧底警官发现了用于使迷幻药浸透到纸里的毒品制造设备。
...a block of plastic impregnated with a light-absorbing dye. [VERB-ed]