Divers protect the reef.

Meaning: This sentence describes the role of divers in coral reefs. It means that they work to protect the reef from damage and ensure its continued existence.

Choice of Words: Divers are people who go underwater to explore and observe the marine environment. Protect means to keep something safe from harm or damage. Reef is a large structure made up of coral that provides homes for many different kinds of fish and other sea creatures. When you put them together, "Divers protect the reef" creates a picture of these people taking actions to keep the reef safe.

Alternative Expressions

People who go underwater protect the reef.

Meaning: This means the same thing as the first sentence, but it is more specific about who is protecting the reef. It is people who go underwater, such as divers, scientists, and conservationists, who are working to keep the reef safe.

Choice of Words: People is a general term for human beings. Who is used to introduce a clause that gives more information about the noun that came before it. Go is a verb that means to move or travel somewhere. Underwater means below the surface of the water. Protect means to keep something safe from harm. Reef is a long, narrow area of rock or coral that is found in the ocean. When you put them together, "People who go underwater protect the reef" means that people who go below the surface of the water are working to keep the reef safe from harm.

The people who go underwater are protecting the reef.

Meaning: This means the same thing as the first two sentences, but it is more specific about who is protecting the reef and when they are doing it. It is the people who go underwater right now who are working to keep the reef safe.

Choice of Words: The is used to refer to something specific. People is a general term for human beings. Who is used to introduce a clause that gives more information about the noun that came before it. Go is a verb that means to move or travel somewhere. Underwater means below the surface of the water. Are is a verb that means to exist or to be in a certain state. Protecting is the present participle of the verb protect, which means to keep something safe from harm. Reef is a long, narrow area of rock or coral that is found in the ocean. When you put them together, "The people who go underwater are protecting the reef" means that the specific people who go below the surface of the water are currently working to keep the reef safe from harm.

Related Expressions