in·fran·gi·ble /(ˌ)ɪnˈfrænʤəbəl/
  (a.)不破的,不破壞的,堅固的,不可違背的
  In·fran·gi·ble a.
  1. Not capable of being broken or separated into parts; as, infrangible atoms.
  [He] link'd their fetlocks with a golden band
  Infrangible.   --Pope.
  2. Not to be infringed or violated.
  ◄ ►
  infrangible
       adj 1: difficult or impossible to break or separate into parts; "an
              infrangible series"
       2: not capable of being violated or infringed; "infrangible
          human rights" [syn: absolute, inviolable]