wèi / le / yù / fáng / chū / xuè / rè / gōng / zuò / rén / yuán / qīng / lǐ / le / fáng / jiān / lǐ / de / shǔ / lèi / huó / dòng / hén / jì为了预防出血热,工作人员清理了房间里的鼠类活动痕迹。To prevent hemorrhagic fever, the staff cleaned up signs of rodent activity in the room.