mindmap root((部分)) part is a general term appropriate when indefiniteness is required: they ran only ~ of the way. portion implies an assigned or allotted part: cut the pie into six ~s. piece stresses separateness and applies to a separate or detached part of a whole: a puzzle with 500 ~s. member suggests one of the functional units composing a body: an arm is a bodily ~. division applies to a large or diversified part made as if by cutting: the manufacturing ~ of the company. section is like division but applies to a relatively small or uniform part: the entertainment ~ of the newspaper. segment applies to a part separated or marked out by or as if by natural lines of cleavage: the retired ~ of the population. fragment applies to a part produced by or as if by breaking off or shattering or left after the rest has been used, eaten, worn away, or lost: only a ~ of the play remained.