怎么判断长龙或单跳简介：If Zhao Huai were here, he would definitely know that he was a survivor of smallpox. Because he was young and in good health, he had produced immune antibodies, so he was able to survive.
If Zhao Huai were here, he would definitely know that he was a survivor of smallpox. Because he was young and in good health, he had produced immune antibodies, so he was able to survive.
