Definition: If a liquid bubbles, balls of air or gas rise to its surface. Level: C2
汤在炉子上冒着泡。
The soup was ___bubbling on the stove.
温热的泉水冒着泡涌出地表。
Hot water from the spring ___bubbled to the surface.
烧杯中的混合物开始剧烈冒泡。
The mixture in the beaker began to ___bubble vigorously.
