If no people clean streets and take the rubbish away, terrible diseases will soon appear and spread easily.

如果没有人打扫街道，把垃圾带走，可怕的疾病很快就会出现并且很容易传播。

youdao

It is spread easily through the air.

它很容易通过空气传播。

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Does the virus spread easily from birds to humans?

病毒是否很容易从禽传播到人？

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Disease experts worry that H1N1 could spread easily in the crowds.

VOA: special.2009.11.11

This was why Christianity and other things were able to spread so easily, why Paul was able to travel around the empire.

所以基督教及其他信息,能传播地如此迅速，所以保罗能够周游帝国。

耶鲁公开课 - 新约课程节选

The researchers also found that loneliness spread more easily among women than men.

VOA: special.2009.12.22

The virus does not spread easily from birds to humans, and does not seem to spread from person to person.

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If you share good content with your social networks, it can spread easily, increasing your visibility with new leads, Fong says.

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Vaccines against diseases such as measles, mumps, and influenza protect millions of people each year, because these are common infectious diseases that spread easily between people.

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