泡沫状的

例句：

1. 1. The milk had a layer of foam on top.
   牛奶上面有一层泡沫。
2. 2. The bubbles burst and the water goes down.
   气泡破裂，水往下流。
3. 3. The foam was so thick that it covered the whole surface.
   泡沫太厚了，覆盖了整个表面。