单词：Passeriformes
雀形目
n. largest order of birds comprising about half the known species; rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; the four suborders are Eurylaimi and Tyranni and Menurae and Oscines or Passeres
词型变化：名词复数形式 : passeriformess