subdivide/ˌsʌbdɪˈvaɪd; ˌsʌbdə`vaɪd/ v[I, Ipr, Tn, Tn.pr]~ (sth) (into sth) (cause sth to) be divided again into smaller divisions （将某物）进一步分成较小的部分 Part of the building has been subdivided into offices. 这座大楼的一部分隔开用作办公室了.
牛津英汉双解词典