Community spread
01
社区传播, 社区内传播
the outbreak of a contagious illness among the people of a particular region where the source of the infection is not easily traceable
语法信息
有生性状态
抽象
形态构成
复合词
不可数
例子
Health officials are concerned about community spread, as many new cases have no known source of infection.
卫生官员担心社区传播，因为许多新病例没有已知的感染源。
