Fast runners abound.

Meaning: This means that rabbits are quick animals and can be found in large numbers. It's similar to saying, There are many swift rabbits.

Choice of Words: Fast means quick or moving at high speed. Runners are individuals or animals that run. Abound means to exist in large numbers or to be plentiful.

Alternative Expressions

There are many fast runners.

Meaning: This means the same as the first sentence. It's another way to say that there are a lot of people who can run quickly.

Choice of Words: There is used to show that something exists. Are is a verb that means to exist or to be. Many means a large number. Fast means moving quickly. Runners are people who run. When you put them together, "There are many fast runners" means that a large number of people run quickly.

The number of fast runners is large.

Meaning: This is a more formal way of saying that there are a lot of people who can run quickly. It's like saying, There are a significant number of people who are good at running fast.

Choice of Words: The is used to refer to a specific thing. Number means the amount of something. Of shows that something belongs to something else. Fast means moving quickly. Runners are people who run. Is is a verb that means to exist or to be. Large means big. When you put them together, "The number of fast runners is large" means that the amount of people who run quickly is big.

Related Expressions