subdivision
n
1 [U] action or process of subdividing 进一步细分.
2 [C] thing produced by subdividing 进一步分成的部分
a subdivision of a postal area 邮区属下的分区
This division of the chapter has several subdivisions. 该章这一节里又分成几个小节.
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.