發嗡嗡聲的東西,蜂鳥
Hummer \Hum"mer\, n. 1. One who, or that which, hums; one who applauds by humming. --Ainsworth. 2. (Zo["o]l.) A humming bird.
hummer n 1: a singer who produces a tune without opening the lips or forming words 2: (baseball) a pitch thrown with maximum velocity; "he swung late on the fastball"; "he showed batters nothing but smoke" [syn: {fastball}, {heater}, {smoke}, {bullet}]