一支烟，究竟藏着多少伤害？
Smoking is very harmful to our body.
Smoking can hurt our lungs (肺) and heart. It makes people cough easily and can cause (造成) bad illnesses. Many people get sick or even die from smoking every year.
Smoking is bad not only for smokers but also for people around them. The second-hand smoke is harmful too. It is very bad for children and old people.
In many public places, there are “No Smoking” signs. We should keep away from smoking. We must say no to smoking and live a healthy and happy life.