| (subclass Breast AnimalAnatomicalStructure) | Mid-level-ontology.kif 12828-12828 | 乳房 是 动物解剖结构 的 subclass |
| (subclass Breast Organ) | Mid-level-ontology.kif 12829-12829 | 乳房 是 器官 的 subclass |
| (subclass Bust Breast) | Mid-level-ontology.kif 12856-12856 | 胸围 是 乳房 的 subclass |
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