是出去时吸入冷空气了，不是必须的不要让孩子出门了。
Is out cold air when inhaled, is not necessary not to let the baby go out.
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.
这样既有助于保暖又可以给那些你不得不吸入的冷空气增加一些温度和湿度。
This will help retain your own body heat around your nose and mouth and will add some warmth and moisture to the air you breathe in.
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