(subclass FitbitDevice WearableItem) | Medicine.kif 4457-4457 | FitbitDevice 是 可穿戴物品 的 subclass |
(subclass FitbitDevice MeasuringDevice) | Medicine.kif 4458-4458 | FitbitDevice 是 测量工具 的 subclass |
(subclass FitbitDevice ElectricDevice) | Medicine.kif 4459-4459 | FitbitDevice 是 电器 的 subclass |