帶了口罩可以幫助人們預防一些傳染病，免於空氣污染的危害和減緩部分過敏反

帶了口罩可以幫助人們預防一些傳染病，免於空氣污染的危害和減緩部分過敏反應。

結果 (英文) 1:

With the masks can help prevent some infectious diseases, the harm from air pollution and mitigate part of an allergic reaction.

結果 (英文) 2:

Wearing a mask can help prevent some infectious diseases, protect against air pollution and slow down some allergic reactions.

結果 (英文) 3:

Wearing masks can help people prevent some infectious diseases, avoid the harm of air pollution and slow down some allergic reactions.