- I love this sea.
You can never imagine how rich the creatures are in the sea.
My dream is to become a professional sea researcher.
There are countless creatures in the sea, including various fishes, shrimps, crabs, algae and plankton.
Human fishing technology can catch all kinds of fish in the sea.
The sea is extremely rich in resources.
In ancient times, when people did not have enough knowledge, they were full of curiosity about the sea.
The advancement of navigation technology has opened up the history of mankind sailing on the sea.
This sea has been polluted by humans.
The sea is very beautiful.
Sharks must live in the sea and cannot be raised by humans.