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来源:雅诚德英语网
With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.
由于目前还没有已知的疫苗或治疗方法,下一次疫情爆发似乎只是时间问题。
With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.
由于目前还没有已知的疫苗或治疗方法,下一次疫情爆发似乎只是时间问题。