dāng / dì / guān / yuán / dān / xīn / jí / yì / kuò / sàn / jí / shí / cǎi / qǔ / le / gé / lí / cuò / shī

当地官员担心疾疫扩散，及时采取了隔离措施。

Local officials feared that the epidemic would spread, so they promptly introduced quarantine measures.