New Words From Longman Dictionary

Swim: to move yourself through water using your arms and leg.

Dive: to jump into deep water with your head and arms going in first.

Scuba diving: the sport of swimming underwater while breathing through a tube that is connected to a container of air on your back.

Jump: to push yourself up into the air, or over or away from something etc, using your legs.

Bulldozer: a powerful vehicle with a broad metal blade, used for moving earth and rocks, destroying building etc.