phorozoon

例句：

1. 1. The milk was sothick that it formed a phorozoon on the surface.
   牛奶太浓了，表面形成了一层泡沫。
2. 2. The bubbles rose to the surfaceand burst into laughter.
   气泡上升到表面并爆发出笑声。
3. 3. The foam wasso thick that it covered the entire surfaceof the pool.
   泡沫非常厚，覆盖了整个游泳池的表面。