(subclass Earphone Device) | Mid-level-ontology.kif 26048-26048 | 子類 Earphone and Device |
(subclass Earphone ElectricSpeakerDevice) | ComputerInput.kif 502-502 | 子類 Earphone and ElectricSpeakerDevice |
(subclass Earphone WearableItem) | ComputerInput.kif 503-503 | 子類 Earphone and 可穿戴物品 |