Meaning: I enjoy moving through a large body of salt water using my arms and legs.
Choice of Words: Swim means to move through water using one's arms and legs. Ocean is a large body of salt water. Like means to enjoy or be fond of.
Alternative Expressions
The ocean is a big place to swim.
Meaning: This means that the ocean is a large area where you can swim and move around.
Choice of Words: The ocean is a huge body of salt water that covers much of the Earth. Big means large in size. Swim means to move through water using your arms and legs. Place means a particular location or area. When you put them together, "The ocean is a big place to swim" means that the ocean is a large body of water in which you can move around using your arms and legs.
I love to swim in the ocean with my friends.
Meaning: This means that you really enjoy being in the water and moving around in it with the people you like.
Choice of Words: The ocean is a huge body of salt water that covers much of the Earth. Swim means to move through water using your arms and legs. Love means to have a strong affection for something. Friends are people who you like and enjoy spending time with. When you put them together, "I love to swim in the ocean with my friends" means that you have a strong affection for moving through the salt water using your arms and legs with the people you like and enjoy spending time with.