Hypernyms:system
Inherited Hypernyms:drainage systemsysteminstrumentalityartifactwholeobjectphysical entityentity
单词 | drainage system |
释义 | Drainage System nnoun.artifacta system of watercourses or drains for carrying off excess water Hypernyms:system Inherited Hypernyms:drainage systemsysteminstrumentalityartifactwholeobjectphysical entityentity |
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