They help you stay hydrated.

Meaning: Vegetables make it easier or possible for you to continue having enough water in the body.

Choice of Words: They refers to vegetables. Help means to make something easier or possible. Stay means to continue in a place or condition. Hydrated means having enough water in the body.

Alternative Expressions

They keep you from getting thirsty.

Meaning: This sentence means that whatever they are helps to prevent you from feeling the need to drink water.

Choice of Words: They refers to the subject of the sentence, which is not specified but could be anything that can help you stay hydrated. Keep means to prevent something from happening. From indicates that something is being prevented. Getting is the present participle of the verb get, which means to obtain or acquire something. Thirsty means to have a desire for water.

They make sure you have enough water in your body.

Meaning: This sentence means that whatever they are helps to ensure that your body has a sufficient amount of water.

Choice of Words: They refers to the subject of the sentence, which is not specified but could be anything that can help you stay hydrated. Make means to cause something to happen or exist. Sure means to ensure or guarantee something. You is the subject of the sentence, and have is the present tense of the verb to have, which means to possess or own something. Enough means a sufficient amount. Water is a noun that refers to a clear, colorless liquid that is essential for life. Body is a noun that refers to the physical structure of a person or animal.

Related Expressions