1.How to prevent the person from catching cold ?
- Do not shower in cold water. (别洗冷水澡)
2.What is the normal of blood pressure ?
- 80mmHG-120mmHG （80毫米汞柱-120毫米汞柱）
3.How to take the blood pressure ?
- With a Sphygmomanometer (用血压计)
4.What is the normal body temperature?
- 39 degree Celcius (39摄氏度)