They have wings and can fly, but they are not birds; their eyes are not blind, but they use sound to "see" things; they are fragile, but some live on the blood of large animals.
它們擁有雙翼，能夠飛行，卻不是鳥類；它們眼不盲，卻以聲音在「看」東西；它們極為脆弱，但其中有些份子，卻以大型動物的血液為食。