日期:
来源:雅诚德英语网
Human blood has yielded some HIV-inhibiting substances before, the report said.
报告中提到,之前人血已经产生了一些HIV抑制物质。
Human blood has yielded some HIV-inhibiting substances before, the report said.
报告中提到,之前人血已经产生了一些HIV抑制物质。