face mask

• Jason : really ? ! i finally can wear my dolaemon face mask
  真的吗? !我终于可以戴我的小叮当口罩了
• Wear glove and face masks when handling droppings of birds
  处理禽鸟的排泄物时需戴上手套及口罩；
• Specification for snorkels and face masks
  潜水呼吸管和面罩规范
• Members of the public may wear a face mask for self protection
  一般市民也可以佩戴口罩以加强防护。
• Wash hands before wearing a face mask and after taking one off
  戴口罩前后应洗手，并按生产商指引正确佩戴。
• He sat in front of them , his dusty face masking his age
  他坐在他们的前面，满是灰尘的脸掩盖了他的真实年龄。
• Standard specification for performance of materials used in medical face masks
  医用面罩用材料性能的标准规范
• Wear safety goggles and use a face mask if you ' re creating dust
  如果你的工作会产生粉尘请戴上护目镜和面罩。
• Wash hands before wearing a face mask and after taking one off
  戴口罩前后应洗手，并按生产商指引正确佩戴。
• Wear a face mask if suffering from any respiratory illness symptoms
  若呼吸道有任何受感染病徵，要戴上口罩。