黑马计划app官网简介：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.
