一、disease: A disease is an illness which affects people, animals or plan
ts
1、AIDS is the disease, and HIV is the virus.
2、disease can also be used to describe a problem in the society or a gruop
of people.
The disease of racism is eating away our society.
二、disorder: A disorder is a problem or illness which affects someone's min
d or body.
3、OCD ， Obsessive-compulsive disorder, is a very common mental problem. P
eople who suffer from it might wash their hands too often.
4、not tidy, not organized
Inside was disorder, everything was on the ground.
三、condition: If someone has a particular condition, they have an illness
or other medical problem.
5、He died of a rare condition that causes hard breath.
6、You can't drive in that condition
7、The conditions are ripe for the spread of disease.
8、verb，be influenced by something over a period of time and do sth special
This behavior is a conditioned response
9、verb， take care of your hair or skin
This helps you condition your dry and damaged hair.
四、symptom: a sign of the illness
10 、what's your symptoms?
11、If the symptoms persist, it is important to go to your doctor.
12、Coughing and fever are the symptoms of COVID-19.
13、a sign of a bad situation
The contradictory statements are symptoms of disarray in the administratio
n.（这些自相矛盾的说法反映了管理的混乱）
五、pandemic
14、A pandemic is a wide-spreading disease over the whole world. An epidem
ic is a litter smaller.
15、A contagious disease can become an epidemic ,then a pandemic
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FROM 36.17.170.*