為了避免新冠肺炎的疫情，我們必須要戴上口罩和勤洗手。

為了避免新冠肺炎的疫情，我們必須要戴上口罩和勤洗手。

Results (English) 1:

In order to avoid a new outbreak of pneumonia crown, we have to wear a mask and wash their hands.

Results (English) 2:

In order to avoid the outbreak of new coronary pneumonia, we must wear masks and wash our hands frequently.

Results (English) 3:

In order to avoid the new crown pneumonia, we must wear masks and wash our hands frequently.