离子是带电的物质，如病毒，灰尘，这是浮动。
The ion is electrified the material such as virus, dust, that are floating.
这种病毒疫病并不受地理位置的局限，如巴西。
This is not unique to one geographic location, such as Brazil.
基因可以通过载体如某种病毒导入细胞。
A gene can be delivered to a cell using a carrier, such as a virus.
我的电脑慢得如蜗牛，必定是染了病毒。
当他们出现，他们是类似的其他病毒感染，如腺热。
When they do happen, they are similar to other viral infections such as glandular fever.
感染-如感冒或流感的病毒感染是一种常见的原因。
Infections - a viral infection such as the cold or flu is a common cause.
如：感染艾滋病毒后的第一次症状就是低烧、感冒、咽喉痛。
Such as: HIV infection after the first symptoms are fever, flu, sore throat.
如：感染艾滋病毒后的第一次症状就是低烧、感冒、咽喉痛。
Such as: HIV infection after the first symptoms are fever, flu, sore throat.
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