bi·par·tite
adjective/baɪˈpɑːtaɪt/
/baɪˈpɑːrtaɪt/
(specialist)- involving or made up of two separate parts
有两个部分的；两部分组成的 Word Originlate Middle English (in the sense ‘divided into two parts’): from Latin bipartitus, past participle of bipartire, from bi- ‘two’ + partire ‘to part’.