foam flow

例句：

1. 1. The foam flowed over the surface of the lake.
   泡沫从湖面流过。
2. 2. The foam flowed into the pool as the waves receded.
   随着波浪退去，泡沫流入了泳池。
3. 3. The foam flowed out from the drain when it was turned on.
   当水龙头打开时，泡沫从排水口流出。