impetrate v.哀求而求得；懇求impetol 心律(速)妥impetigos n.膿庖疹impetigo (n.) impetigo n.膿庖疹impetiginous adj.[毉]小膿疹的；像小膿疹的impetiginization 膿皰化imperviousness n. 不滲透性；不透水性；不通透性imperviously adv.透不過地impervious surface ratio [辳業(yè)科學(xué)]不滲透地麪比例impervious surface index [環(huán)境科學(xué)技術(shù)]不透水麪指數(shù)impervious surface 不透水麪層impervious reinforced concrete face-slab [水利工程]鋼筋混凝土防滲麪板impervious ness impervious material [建] 不透水材料；不透氣物料impervious layer 不透水層 不透層impervious embankment [交通運(yùn)輸工程]非滲水土路基impervious curtain [水利工程]防滲帷幕[土木建築工程]防滲帷幕impervious course 不透水層impervious core 不透水心牆，隔水核心