hum.ming.bird
n.（名词）Any of numerous New World birds of the family Trochilidae, usually very small in size and having brilliant, iridescent plumage, a long slender bill, and wings capable of beating very rapidly, thereby enabling the bird to hover.蜂鸟：美洲蜂鸟科中的许多鸟类之一，通常体型很小，有光亮、彩虹色的羽毛，细而长的嘴，翅膀能非常迅速地扇动，从而使这种鸟能停在空中
