1. It is very dangerous to learn to swim in Wenzhou or other places because the depth of the swimming pool is not uniform. For people who can't swim or beginners, if they enter deeper areas, they may face the risk of drowning, and sudden situations such as loss of balance and fatigue may also lead to drowning.

2. It is very important to master the correct swimming posture and skills when learning to swim, so as to ensure safe and effective swimming. Wrong posture and skills may increase the risk of injury, such as sprain and strain.