hummingbird
/ˈhʌmɪŋbɜːd/noun
1- a small nectar-feeding tropical American bird that is able to hover and fly backwards, and typically has colourful iridescent plumage蜂鸟。
1.1
- Family Trochilidae: many genera and numerous species.蜂鸟科：多属, 众多种。
词源
mid 17th cent.: so named because of the humming sound produced by the rapid vibration of the bird's wings.