| 单词 | sound level |
| 释义 | > as lemmassound level sound level n. ΚΠ 1931 S. K. Wolf in L. Cowan Recording Sound for Motion Pictures xx. 301 It is necessary to have some means of varying sound levels in theatres. 1974 Physics Bull. June 227/1 Leeds City Council, decided to use its licensing laws to limit sound levels in ballrooms, discotheques and similar places of entertainment. < as lemmas |
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