首页 > Term: siren
siren
An instrument for measuring the number of aerial vibrations per second, and thereby the pitch of a given note.
- 词性： noun
- 行业/领域： 语言
- 类别 Encyclopedias
- Organization: Project Gutenberg
0
创建者
- JohannesDD
-
(V.I.P) 14638 分数 - 100% positive feedback
(Sydney, Australia)
