impermeabiliy 抗?jié)B性impermeability pressure [土木建築工程]抗?jié)B壓力impermeability factor [土木建築工程]不透水系數(shù)impermeability n.不能滲透的性質(zhì)或狀態(tài)；不滲透性；不透過性impermanently adv.不持久地impermanent resonance impermanent migration [經(jīng)濟(jì)學(xué)]非永久鄕城遷移impermanent memory [毉葯科學(xué)]非永久記憶impermanent (adj.) impermanent adj.暫時(shí)的；非永久的impermanency n.非永久（性），短暫（性）impermanence (n.) impermanence n.非永久性；暫時(shí)性imperium (n.) imperium n.絕對(duì)統(tǒng)治；最高權(quán)力；帝國；[律]司法權(quán)imperishingness n.不腐爛；不朽imperishably adv.不滅地；不朽地imperishableness adj.不腐爛的；不朽的；恒古不變的；不滅的imperishable noble spirit 浩氣長存imperishable (adj.)