(subclass EvergreenTree BotanicalTree) | Geography.kif 6544-6544 | EvergreenTree 是 植物树 的 subclass |
(subclass Conifers EvergreenTree) | Geography.kif 6555-6555 | Conifers 是 EvergreenTree 的 subclass |
(subclass CocoaTree EvergreenTree) | Economy.kif 4701-4701 | 可可樹 是 EvergreenTree 的 subclass |
(subclass TeaPlant EvergreenTree) | Economy.kif 4723-4723 | TeaPlant 是 EvergreenTree 的 subclass |