How can we protect ourselves from telephone and email fraud?
我们如何来防止电话和信件诈骗呢？
It tells the child what COVID-19 is, how it spreads, and how we can protect ourselves from it.
这告诉了这个孩子什么是新型冠状病毒，它是如何传播的以及我们如何保护自己免受感染。
It tells the child what COVID-19 is, how it spreads, and how we can protect ourselves from it.
这告诉了这个孩子什么是新型冠状病毒，它是如何传播的以及我们如何保护自己免受感染。
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