刷牙是怎么说的英语

"刷牙" (shuā yá) is the Chinese way of saying "brush teeth". In English, you can say "brush teeth" or "clean teeth" to describe the act of using a toothbrush and toothpaste to clean the surfaces of your teeth.
Here's an example sentence:
"I always brush my teeth twice a day to keep my mouth clean and healthy."
You can also use the verb "floss" to describe the act of cleaning in between your teeth with dental floss. For example:
"In addition to brushing my teeth, I also floss every day to remove any food particles that are stuck between my teeth."