Those suds you see when you brush your teeth are from detergents like sodium lauryl sulfate .
那些你刷牙时候的泡沫就是来自像钠盐和硫酸盐一类的洗涤剂。
Some names never seem to go out of style , like david or emily . Some never really catch on . Not many girls are named laurel , even fewer are named lauryl sulfate .