bubble up
phrasal verb with bubble verb uk/ˈbʌb.əl/ us/ˈbʌb.əl/
升到液体表面;变得明显，涌现
to rise to the surface or become obvious
She laughs, a tinkling musical child’s laugh, bubbling up out of her. 她笑了，发出清脆悦耳的童声欢笑。
Interesting ideas about education and healthcare are bubbling up all over the country. 有关教育和医疗有意思想法在全国各地涌现出来。