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单词 subaudible
释义 subˈaudible, a.
[sub- 14, 19.]
1. Not loud enough to be audible. Also fig.
1839Lever Harry Lorrequer vi, The faint sub-audible ejaculation of Father Luke, when he was recovered enough to speak.1928E. Blunden Undertones of War vii. 109 A good joke: but with this sub⁓audible meaning.
2. Of a frequency: lower than the lowest audible frequency. Of a sound: too low-pitched to be audible.
1922Proc. IRE X. 253 It may be at sub-audible, or super-audible frequencies.1978Gramophone June 128/2 Superimposed on this are subaudible tones successively at 4, 5, 6, 8, 10 and 12 Hertz.
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