love·bird /ˈlʌvˌbɚ/
  小鸚鵡類
  lovebird
       n 1: small Australian parakeet usually light green with black and
            yellow markings in the wild but bred in many colors
            [syn: budgerigar, budgereegah, budgerygah, budgie,
             grass parakeet, shell parakeet, Melopsittacus
            undulatus]
       2: small African parrot noted for showing affection for their
          mates