波澜 bōlán HSK7 billows Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: momentum All meanings 2 bōlán 2 billows 1momentum 1 1 sentence for 波澜 (bōlán — momentum) 这部小说故事情节波澜起伏,引人入胜。 zhè bù xiǎoshuō gùshi qíngjié bōlán qǐfú, yǐnrénrùshèng. The plot of this novel is full of twists and turns and is very captivating. Source: Dong Chinese Dictionary