| 单词 | infilling n. = INFILL n. |
| 释义 | infilling n. = INFILL n. infiltrate v. 1. tr. a gain entrance or access to surreptitiously and by degrees (as spies etc.). b cause to do this. 2. tr. permeate by filtration. 3. tr. (often foll. by into, through) introduce (fluid) by filtration. Derivatives infiltration n. infiltrator n. Etymology: IN-(2) + FILTRATE |
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