**Here are 10 examples of using the word «dolphin» in English:**
1. The trainer taught the dolphins to perform various tricks and jumps.
2. Scientists have discovered a new species of dolphin that lives in the deep waters off the coast of Australia.
3. The dolphins swam gracefully through the waves, leaving a trail of bubbles behind them.
4. The aquarium exhibit featured a large tank where visitors could observe the playful dolphins up close.
5. The documentary followed the lives of wild dolphins and their interactions with humans.
6. The researchers used sonar to study the behavior of dolphins in their natural habitat.
7. The dolphin rescue organization works to protect and preserve these intelligent marine mammals.
8. The children were fascinated by the dolphins' jumping out of the water and performing tricks.
9. The marine biologist studied the communication patterns of dolphins to understand their social structure.
10. The dolphin-watching tour allowed tourists to see these beautiful creatures in their natural environment.