发泡剂

例句：

1. 1. The foaming agent in the shampoohelps to remove dirt and grease.
   洗发水中的发泡剂有助于去除污垢和油脂。
2. 2. Theemulsifier in the paint iscrucial for its smooth application.
   油漆中的乳化剂对其平滑应用至关重要。
3. 3. Thefoaming agent in thesoap can be used to createa lather that cleans effectively.
   肥皂中的发泡剂可以用来产生泡沫，有效地清洁皮肤。