| (subclass BathTub BathingDevice) | Mid-level-ontology.kif 2048-2048 | BathTub 是 洗澡装置 的 subclass |
| (subclass BathTub FluidContainer) | Mid-level-ontology.kif 2049-2049 | BathTub 是 液体容器 的 subclass |
| (subclass GrecianTub BathTub) | Mid-level-ontology.kif 26538-26538 | GrecianTub 是 BathTub 的 subclass |
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