| 单词 | impregnate |
| 释义 | impregnate [im`preg´nāt] ENGINEERING To force a liquid substance into the spaces of a porous solid in order to change its properties, as the impregnation of turquoise gems with plastic to improve color and durability, the impregnation of porous tungsten with a molten barium compound to manufacture a dispenser cathode, or the impregnation of wood with creosote to preserve its integrity against water damage. MEDICINE To fertilize or cause to become pregnant. |
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