第一部分

第一 diˋ yiˉ

(First, Number one) Number one, First, The first

一部 yiˊ buˋ

(Book, Volume) A book or movie, A volume

一部分 yiˊ buˋ fenˉ

(In part, Part, Partly, Portion) Partly, In part, Portion (of), A portion, Part (of), A part

部分 buˋ fenˋ

(Part, Parts, Portion, Portions, Section, Sections) Portion, Portions, Part, Parts, Section, Sections