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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句