impregnation是什么意思_impregnation的翻译_音标_读音_用法_例句_爱词霸在线词典 英英释义 Noun 1 material with which something is impregnated; "the impregnation, whatever it was, had turned the rock blue" 2 the process of totally saturating something with a substance; "the impregnation of wood with preservative" "the saturation of cotton with ether"