| 释义 |
ˈsquawker
[f. squawk v. + -er.]
1. A toy wind-instrument for producing squawks.
1874J. W. Long Amer. Wild-fowl ix. 157, I like ‘calling by mouth’ much better than with a ‘squawker’, especially if the ducks are passing reasonably close. 1886Sci. Amer. 25 Sept. 199 The small inflatable balloons applied to the toy squawkers.
2. One who squawks.
1891in Cent. Dict. 1896G. B. Shaw Let. 8 Dec. (1965) I. 712 Yes, Lena is a fascinating squawker. 1923H. C. Witwer in Collier's 29 July 26/3 To show you what a cheap squawker this Rags is, Spence tells me he has just welshed on a bet with him.
3. A loudspeaker designed to reproduce accurately sounds in the middle of the audible range.
1959N. H. Crowhurst Basic Audio I. 67 Many installations use two or more speakers of different sizes..: large speakers (woofers) for the low frequencies, medium-sized speakers (squawkers) for the mid-range, and small speakers (tweeters) for the high frequencies. 1975G. J. King Audio Handbk. vi. 150 The output..drives the middle-frequency unit (squawker) and the high-frequency unit (tweeter) via a 4 kHz frequency divider. |