For example, when you get a lowgradefever it might be because your body is trying to make things uncomfortable for invading microbes.
例如，当你发低烧时，其原因很可能是你的身体正试图使身体不舒适，以此来抵御进犯的细菌。
2
If your doctor leaves pieces of the baby, placenta, umbilical cord, or amniotic sac in your body, you may develop pain, bleeding, or a lowgradefever.
如果医生将胎儿、胎盘、脐带、或羊膜的碎片滞留在你的身体里，你会发生疼痛、出血，或者低烧。
3
A toddler who seemed lethargic and unresponsive had been running a low-gradefever since arriving at the orphanage after the earthquake. But she had not been taken to a doctor.