interpenetrate

v [I,Tn] penetrate (each other), esp so as to lose individuality; spread through (sth) thoroughly in each direction 互相渗透（尤指因而失去原有特性）; 贯穿; 扩散: two cultures, originally distinct, which have so interpenetrated (each other) as to become virtually a single culture 两种起源截然不同的文化互相渗透以致实际上已融为一体.

Internal Revenue Service, internalization, internalisation, internalize, internalise, internally, international, Internationale, internationalism, internationalist, internationalization, internationalize, internationalize, internationalise, internationally, interne, internecine, internee, Internet, internment, interoffice, interpellate, interpellation, interpenetration, interpersonal, interplanetary, interplay, Interpol, interpolate, interpolation, interpose, interposition, interpret, interpretation, interpretative, interpreter, interpreting, interpretive, interracial, interregnum, interrelate, interrelated, interrelation,