1. The barista froths the milk to make a perfect cappuccino.
这位咖啡师搅拌牛奶，制作出完美的卡布奇诺。

2. The waves froth as they crash against the rocky shore.
海浪拍打在岩石岸边时产生泡沫。

3. The soap froths up nicely when you rub it between your hands.
当你在手中搓肥皂时，它会泡沫丰富。

4. The river water froths as it rushes over the rocks.
河水冲过岩石时会产生泡沫。

5. The chef froths the egg whites to create a fluffy meringue.
厨师搅拌蛋白，制作出松软的蛋白霜。

6. The washing machine froths too much when too much detergent is used.
当使用过多洗涤剂时，洗衣机会产生太多泡沫。