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豆知识 2009-10-11&10-17 流感防控小知识——口罩的

时间:2011-08-31 05:46来源:互联网 提供网友:gmeng   字体: [ ]
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    (单词翻译:双击或拖选)

 N95 respirators are designed to protect you from breathing in very small particles that may contain viruses. These types of respirators fit tightly to the face so that air is inhaled1 through the filter material. N95 respirators should be worn only once and then thrown away in the trash.

 
Manufacturers supply important instructions with respirators on how they are to be put on and checked to make sure they're properly positioned. Always follow the manufacturer’s instructions, specific to the product you’re using.
 
Here are some general instructions:
 
Wash your hands prior to handling the respirator and inspect the respirator for tears or damage. If your respirator is folded, open the folds fully2.
 
Place the respirator on your face with the nosepiece at your fingertips, allowing the headbands to hang freely below your hand.
 
Position the respirator with the nosepiece up. Pull the top strap3 over your head, resting it high at the back of your head. Pull the bottom strap over your head and position it around the neck and below the ears. Be sure not to criss-cross the straps4. If there is only one headband, it should rest high at the back of your head. Make sure that your mouth and nose are covered by the respirator.
 
If the nosepiece has a metal nose strip, use both hands to mold the nose strip to the shape of your nose.
 
Next, check the seal of the respirator on your face. Place your hands on the surface of the respirator and take a quick, deep breath. If you feel air blowing around your face or eyes, the respirator may not fit your face properly. Re-adjust the fit of your respirator and check the seal again.
 
When you're finished wearing the respirator, carefully remove it, using the straps. Discard your respirator by carefully placing it in a waste container. Wash your hands immediately after handling the used respirator.

点击收听单词发音收听单词发音  

1 inhaled 1072d9232d676d367b2f48410158ae32     
v.吸入( inhale的过去式和过去分词 )
参考例句:
  • She closed her eyes and inhaled deeply. 她合上双眼,深深吸了一口气。
  • Janet inhaled sharply when she saw him. 珍妮特看到他时猛地吸了口气。 来自《简明英汉词典》
2 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
3 strap 5GhzK     
n.皮带,带子;v.用带扣住,束牢;用绷带包扎
参考例句:
  • She held onto a strap to steady herself.她抓住拉手吊带以便站稳。
  • The nurse will strap up your wound.护士会绑扎你的伤口。
4 straps 1412cf4c15adaea5261be8ae3e7edf8e     
n.带子( strap的名词复数 );挎带;肩带;背带v.用皮带捆扎( strap的第三人称单数 );用皮带抽打;包扎;给…打绷带
参考例句:
  • the shoulder straps of her dress 她连衣裙上的肩带
  • The straps can be adjusted to suit the wearer. 这些背带可进行调整以适合使用者。
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