词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- device
- electrical device
- transducer
- electro-acoustic transducer
- loudspeaker
- speaker
- speaker unit
- loudspeaker system
- speaker system
- woofer
上位词
- loudspeaker
- loudspeaker system
- speaker
- speaker system
- speaker unit