syndetergent

例句：

1. 1. The new laundry detergent is more effective than the old one.
   这种新的洗衣液比旧的更有效。
2. 2. They use a syndetergent to clean their dishes.
   他们使用一种合成洗涤剂来清洗他们的餐具。
3. 3. The manufacturer claims that their syndetergent is environmentally friendly.
   制造商声称他们的合成洗涤剂是环保的。