hum·mer /ˈhʌmɚ/
發嗡嗡聲的東西,蜂鳥
Hum·mer n.
1. One who, or that which, hums; one who applauds by humming.
2. Zool. A humming bird.
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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]