Meaning: This sentence provides a specific guideline for the duration of handwashing to ensure effectiveness.
Choice of Words: The word "scrub" means to rub or clean something vigorously. "Twenty seconds" is a specific duration of time.
Alternative Expressions
Wash your hands thoroughly for at least twenty seconds.
Meaning: This is another way of telling someone to wash their hands thoroughly to get rid of germs and bacteria.
Choice of Words:Wash means to clean something with water and soap. Thoroughly means to do something carefully and completely. At least means a minimum amount or time. Twenty is the number 20. Seconds are units of time, each of which is equal to 1/60th of a minute. When you put all these words together, it means to clean your hands with soap and water for at least 20 seconds.
Clean your hands with soap and water for at least twenty seconds.
Meaning: This is a third way of telling someone to wash their hands thoroughly to get rid of germs and bacteria.
Choice of Words:Clean means to make something free of dirt or germs. Hands are the part of the body that we use to hold and touch things. Soap is a substance that helps to remove dirt and germs. Water is a liquid that we use to wash things. At least means a minimum amount or time. Twenty is the number 20. Seconds are units of time, each of which is equal to 1/60th of a minute. When you put all these words together, it means to clean your hands with soap and water for at least 20 seconds.