他们感到不安，好像他们也应该采取特殊的预防措施，但要抵抗什么，他们不知道。

They felt uneasy, as if they too should be taking special precautions but against what, they had no idea.

youdao

在控制疾病过程中，早期发现、明确传播途径、采取特殊的预防措施是非常重要的。

Detecting disease in its early stage, understanding its pathways of transmission and implementing specific prevention measures for the disease are very important in the course of disease control.

youdao

这两个环境都会处理多个Portlet通常会聚合在一个页面上的事实，并且会采取如上所述的特殊预防措施。

Both environments take care of the fact that multiple portlets are usually aggregated on a page, and they take special precautions as explained above.

youdao