你可通过预防接种保护自己免患乙型肝炎。

You can protect yourself against hepatitis B by being vaccinated.

youdao

尽管到目前为止，接种疫苗是保护我们免受新型冠状病毒肺炎感染的最佳方法之一，但它可以更好。

Although vaccination is by now one of the best ways to protect us from COVID-19, it can be better.

youdao

到目前为止，接种疫苗是一种简单、安全并有效的方式，可以保护我们免受疾病侵害。

Vaccination is by now a simple, safe and effective way to protect us from the diseases.

youdao

This process, I said, this ancient process of taking scabs from patients and introducing them to people you wanted to protect, was called variolation.

这个过程,我想,这个从病人身上取痂,接种到你想保护的人身上的古老过程,叫做天花接种

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