washing agent

例句：

1. 1.We use a washing agent to clean our clothes before we wash them.
   我们在洗衣服之前使用洗涤剂来清洁衣物。
2. 2. The new washing agent is more effective than the old one.
   这种新的洗涤剂比旧的更有效。
3. 3.The cleaning agent was very effective in removing stains from the fabric.
   这种清洁剂在从布料上去除污渍方面非常有效。