acoustics
n.
1680s, "science of sound," from acoustic (also see -ics). Meaning "acoustic properties" of a building, etc., attested from 1885.
| 词汇 | acoustics | 
| 词根词缀 | Online Etymology Dictionary acoustics n. 1680s, "science of sound," from acoustic (also see -ics). Meaning "acoustic properties" of a building, etc., attested from 1885. | 
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