brush one's teeth
刷牙
例句:
1. If you brush your teeth before bed, then brush your teeth.
假如你在睡觉前有刷牙的习惯的话,那就把牙也给刷下。
2. 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。
brush teeth
brush your teeth.~望采纳~(๑•ั็ω•็ั๑)