subdivision

subdivision
noun
  1. [mass noun]the action of subdividing or being subdivided
    再分,重分
    ■[count noun]a secondary or subordinate division
    部分;分支,分部
    ■[count noun](US & Austral.)an area of land divided into plots for sale; an area of housing
    (美,澳)(为出售而划分的)小块土地;住宅小区
    ■(Biology)any taxonomic subcategory, especially (in botany) one that ranks below division and above class
    (生)亚门
英语宝典
考试词汇表