不定 bùdìng HSK7 indefinite Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: adventitious All meanings 3 bùdìng 3 indefinite 2adventitious 1 1 sentence for 不定 (bùdìng — adventitious) 这种植物会长出不定根。 zhè zhǒng zhíwù huì zhǎngchū bùdìng gēn. This plant grows adventitious roots. Source: Dong Chinese Dictionary