book

 

 

Learn English  
 

Blue Level

 
 

Red Level

 
 

Yellow Level

 
 

Green Level

 
 

Purple Level

 
 

Orange Level

 
 

Violet Level

 
 

Video Lessons

 
 

Links

 
 

American Speech

 
 

Chat

 
 

How to Learn

 
 

Vocabulary

 
 

U.S. Citizenship

 
 

Reading

 

 

 

 


 

cave

 

A cave is a natural formation of open space underground. It takes thousands and thousands of years for a cave to form as a result of water erosion or other natural forces.

cave

  • Some caves are long and deep.
  • The air inside a cave is usually cool and damp.
  • People like to go into caves and explore them because they're so interesting.
  • A person who explores and studies caves is called a spelunker.
  • Bats are often found living in caves.
  • In prehistoric times, people lived in caves. You might hear them referred to as cavemen.

caveman  caveman

The word "cave" is a verb. When something caves, it falls through or collapses, or a person gives up on something.

  • The roof of the tunnel was weak, so eventually it caved in. (The roof of the tunnel fell in.)
  • Negotiators for the hostages caved in to the kidnappers demands.
  • The soldiers caved when they realized the strength of the forces they were fighting.

 

Click here to go to the Word of the Day page.

September 3, 2015

 

 

 

 

 

 

© 2018 Learn American English Online. All rights reserved.