enter or gain access to (an organization, place, etc.) surreptitiously and gradually, especially in order to acquire secret information
（尤指为获取秘密情报而）渗透，渗入（组织、场所等）
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other areas of the establishment were infiltrated by fascists .国家权力机构的其他方面已遭法西斯主义者渗透。
introduce (someone) into an organization, place, etc. in this way
使（某人）渗透，使渗入。
〈喻〉 渗透，进入
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computing has infiltrated most professions now .计算机应用现已进入大多数行业。
【医】 （肿瘤、细胞等）浸润（组织，器官）。
(of a liquid)permeate (something) by filtration
（液体）渗入
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virtually no water infiltrates deserts such as the Sahara .几乎没有水分渗入撒哈拉之类的沙漠。
introduce (a liquid) into something in this way
使（液体）渗入
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lignocaine was infiltrated into the wound .利多卡因被注入了伤口。
【医】 浸润物。
