1. Burns are called first degree, second degree or third degree burns depending on which layers of the skins are burnt.

　　根据皮肤烧伤的层次而有一度烧伤、二度烧伤和三度烧伤。

　　2. John was studying in his room when he heard screaming.

　　约翰正在房里学习，突然听到一声尖叫。

　　3. She was lying in her front garden bleeding very heavily

　　她躺在前花园的地上，流血不止。

　　4. There is no doubt that Jon's quick thinking and the first aid skills he learned at school saved Ms Slade's life.

　　毫无疑问，是敏捷的思维和在学校学到的急救技术，使得斯莱德女士的生命得救了。

　　5. It shows that a knowledge of first aid can make a real difference .

　　这说明了急救知识的确能发挥重要的作用。

　　6. If burns are on arms or legs, keep them higher than the heart, if possible.

　　如果烧伤的部位在臂部或腿部，可能的话，就要把他们抬高到高于心脏的位置。