流利说L4U1P1-Pains and sickness

A headache can be caused by an injury to the head.

Headaches can be very painful and can last for a long time.

If you have a headache your head hurts.

A sprained ankle can be so painful that you can’t walk.

Someone with a sprained ankle may need to use crutches to walk .

If you have a sore throat it may be painful to swallow.

A sore throat can be caused by viruses or bacteria.

A burn is an injury to the skin caused by fire or heat.

If you get too close to a fire you will be burnt.

A earache is a sharp doll or burning pain in the ear.

Common causes of an earache include an infection a changing in air pressure or water in the ear.

Earaches occur more often among small children than adults.

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