hummer
['hʌmә]
n. 哼哼声, 嗡嗡声西, 蜂鸣器

[] 蜂音器



hummer
[ noun ]

1. a singer who produces a tune without opening the lips or forming words

<noun.person>

2. (baseball) a pitch thrown with maximum velocity

<noun.act>
he swung late on the fastball
he showed batters nothing but smoke

Hummer \Hum"mer\, n.
1. One who, or that which, hums; one who applauds by humming.
--Ainsworth.

2. (Zo["o]l.) A humming bird.