HSK 7-9
防疫
fángyì动
to prevent epidemics
社区加强冬季防疫宣传。
Shè qū jiā qiáng dōng jì fáng yì xuān chuán.
The community strengthened winter epidemic-prevention publicity.
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Appears across levels (7-9) in the HSK 3.0 word list.