protect against cold 切勿受冻 ; 注意防冷
Protect against deletion 防止误删除
PROTECT AGAINST HEAT 注意防热
protect against attack 保护…免受袭击
Carrots help protect against cancer 胡萝卜有益可防癌症
protect against drought 防备天旱成灾
This has led to greater use of monovalent vaccines to protect against either type one or type three polio.
VOA: special.2010.01.18
So there's plenty of room to still innovate in that way, to develop new methods that could protect against diseases like AIDS or diseases like malaria that we don't have problems with here but they do in many parts of the world, and so we'll talk about that.
我们还有很长的路要走,研究一些新方法以预防艾滋病这样的疾病,或者像疟疾这样尽管在我国没有威胁,但在世界很多地方还很严重的疾病,我们也会讲到这些
But because of the similarity of the viruses, the immune response that people developed would also protect them against natural infections with variola.
因为这两种病毒很相像,人体的免疫应答也能保护自己,免受天花的感染
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