如果不行,戴上薄纱口罩或任何可以盖住嘴巴又能保证呼吸的东西。
If you can't, wear gauze mask or anything that can cover your mouth and enable you to breath.
如果直接吸入冷空气,可能会觉得咽喉疼痛。 可以透过围巾或者滑雪口罩呼吸。
Some runners may experience throat irritation if they breathe cold air directly—avoid this by wearing and breathing through a scarf or ski mask.
在呼吸防护口罩和脸部之间夹在任何东西,这会降低防护性能。
Anything that comes between the respirator and your face will make the respirator less effective.
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