国家地理分级 · Pre-reader
Swim , Fish!
Vocabulary Tree OCEAN CORAL REEFS ANIMALS school of fish seahorse turtle eel whale shark ACTIVITIES rush move flap glide eat swim very slowly swim very fast Let's swim! Follow the fish to a coral reef.
The water here is warm. Corals grow. They make big reefs.
Schools of fish rush back and forth.
Seahorses move up and down and sideways.
Turtles flap their flippers like birds flap their wings.
