B2 a disease in a part of your body that is caused by bacteria or a virus(由细菌或病毒造成的身体部位的)感染
More examples
The breathing problem has now been complicated by a chest infection.
White blood cells help defend the body against infection.
He's on antibiotics for an ear infection.
They tested her blood for signs of the infection.
If the infection is not checked it will probably spread to the upper body.
an act of passing harmful programs into a computer or file, or the harmful programs themselves感染(计算机病毒)
noun
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