Follow occupational health measures and wear mask to reduce inhalation of organic dusts 遵守和采用职业健康措施(如戴口罩) ，减少吸入有机尘埃。
Wear a mask at crowded andor confined places such as classes , lectures or tutorials 于人烟稠密及室内的地方请戴口罩，如课室、演讲室或导修课等
Observe occupational health measures by wearing mask to reduce inhalation of organic dust 遵守和采用职业健康措施(如戴口罩) ，减少吸入有机尘埃。
Annie : no way ! not unless you go wash your hands first and put on a face mask while you ' re eating it 作梦!除非你先洗手然后戴口罩来吃,不然你想都别想
Essential oil , stir and breathe in without wearing a mask the vapour for 5 minutes at a time , repeat as needed 吸时不要戴口罩,最好用大毛巾或外套覆盖头部和碗
Movement of patients outside of the isolation unit should be avoided . if moved the patients should wear a face mask 应避免将病患移出隔离单位。移送时病患应戴口罩。
In point of fact what is interesting about people is the mask that each one of them wears , not the reality that lies behind the mask . 有趣的一点是,每个人是一个人戴口罩,没有现实的面具背后
Wearing a face mask properly offers satisfactory protection against respiratory tract infections and prevents spread of the infection 答:适当佩戴口罩，有助预防呼吸道传染病。呼吸道若受感染，戴口罩有助防止疾病传播。
Wearing a mask properly helps to protect against infections transmitted by respiratory droplets and prevent spread of the infections 适当佩戴口罩，有助预防飞沫传播的传染病。呼吸道若受感染，戴口罩亦有助防止疾病传播。
I think in terms of the precautions the community can take , based on what we know , the general advice still holds that people should be taking care of themselves 若要照顾染有肺炎的家人时，一定要小心，要做好预防措施，譬如戴口罩、洗手，同时要留意?生情况。
