If [sprays are] used, people can protect themselves by opening Windows, avoiding the application near the breathing zone, and by using masks or other types of personal respiratory protection.
如果一旦使用了喷雾剂，可以通过开窗，不在呼吸区域使用，应用面罩或其他的个人呼吸道保护措施来保护自己。
A year before, Susan had simply reached a point where she needed to protect her life-her breathing in and breathing out-more than the rest of it: her freedom, her dental appointments, her job.
一年前，苏珊的处境已经到了保护她的生命——即能够继续呼吸——的需要比保护她的其余东西更为重要的程度。她的其余东西指的是她的自由、她的牙医预约、她的工作。
We need the air above not only for breathing, but to protect us from cosmic rays and meteorites.
我们需要上面的空气，不仅为呼吸，也为保护我们不受宇宙射线和陨石的伤害。
There are two pleurae in the chest cavity and their job is to protect and cushion the lung by secreting fluid that allows the lung to move smoothly within the chest cavity when breathing.
胸腔两层胸膜，它们通过分泌液体保护和缓冲肺脏使得肺可以随呼吸在胸腔里平稳的运动。
Firefighters should wear breathing device and protective overalls in order to protect the firefighters from toxic gases harm.
消防人员应穿着带有呼吸装置和具保护性的工作服，以保护消防人员免遭有毒气体的伤害。
A safety mask can be used to protect against breathing hazardous vapors and gases.
甲防护罩可用于防止呼吸有害气体和气体。
A safety mask can be used to protect against breathing hazardous vapors and gases.
甲防护罩可用于防止呼吸有害气体和气体。
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