| 单词 | sound insulation |
| 释义 | > as lemmassound insulation sound insulation n. ΘΚΠ the world > physical sensation > hearing and noise > inaudibility > sound-proofing or conditioning > [noun] sound-proofing1884 sound insulation1932 sound conditioning1972 1932 B.B.C. Year-bk. 1933 365 (caption) Eel grass for sound-insulation sandwiched in walls of pumice concrete. 1969 Gloss. Acoustical Terms (B.S.I.) 49 Sound insulation, means taken to reduce the transmission of sound. < as lemmas |
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