Do you really know｜冬日户外保暖有哪些好方法？

What are the best ways to keep warm outdoors?

A lot of people are reluctant to go out in the cold during the winter season. It's a real shame as there are many ways in which you can protect yourself from low or even sub-zero temperatures.

You've probably been told it a million times since you were a kid, but it bears repeating. You need to wrap up warm. The clothes you wear outdoors trap warm air inside them. A good starting point is wearing a cotton T-shirt to absorb sweat and thereby neutralize humidity, which can exacerbate feelings of cold.

Then wear a sweater or warm jacket made of a high quality material like wool, cashmere or alpaca. Finally, a decent coat or windcheater on top, as well as a scarf and most importantly a woolly hat or beanie, as 30% of warmth leaves the body via the head.

Does drinking hot drinks before going out help?

Warm is probably a better option than hot, actually. When you swallow a very hot drink, the feeling of warmth you get quickly fades, as your body struggles to find its regular temperature. Meanwhile, a warm drink won't leave you with that annoying cold sensation afterwards.

If you can, go for tea, bouillon or soup before going out, rather than coffee or any type of alcohol. That's because they dilate blood vessels and therefore cause body temperature to drop. Blood moves from the body's core to the surface of our skin, which makes us feel warmer than we actually are. That can be dangerous.

How about when we get outside?

It might seem obvious, but can easily be forgotten. To keep your body temperature up outside, you need to stay active. Simply walking is enough to stimulate blood flow. Move your arms as you walk, and don't keep your hands in your pocket, no matter how tempting it might be.

Tapping your face gently will also help stimulate blood flow. Your hands are particularly sensitive to the cold, so don't forget to wear gloves or mittens. You can also rub your hands together or use hand warmers, which are very practical when it gets extra cold.

If you're still feeling cold any time you go out, you may want to talk to your doctor about it. Sometimes sensitivity to cold is caused by an underlying health condition. like iron deficiency, a low body mass index, poor blood circulation or hypothyroidism. There you have it.

词汇表
reluctant [rɪˈlʌktənt] adj. 不情愿的，勉强的
sub-zero [ˌsʌb ˈzɪərəʊ] adj. 零下的，严寒的
wrap up warm [ræp] 穿暖和些
cotton T-shirt [ˈkɒtn ˈtʃɜːt] 棉质T恤
neutralize humidity [ˈnjuːtrəlaɪz hjuːˈmɪdəti] 减少湿度，中和湿度
exacerbate [ɪɡˈzæsəbeɪt] vt. 加剧，使恶
cashmere [ˈkæʃmɪə(r)] n. 羊绒，开司米
alpaca [ælˈpækə] n. 羊驼毛；羊驼
decent [ˈdiːsnt] adj. 像样的，得体的
windcheater [ˈwɪndtʃiːtə(r)] n. 防风夹克，风衣
woolly hat [ˈwʊli] 羊毛帽
beanie [ˈbiːni] n. 无檐小便帽，毛线帽
bouillon [ˈbuːjɒn] n. 肉汤，清汤
dilate blood vessels [daɪˈleɪt blʌd ˈveslz] 扩张血管
stimulate blood flow [ˈstɪmjuleɪt] 促进血液循环
tempting [ˈtemptɪŋ] adj. 诱人的，有吸引力的
tap one's face [ˌtæp] 轻拍脸部
be sensitive to [ˈsensətɪv] 对…敏感，易受…影响
mitten [ˈmɪtn] n. 连指手套
rub one's hands together [ˌrʌb] 搓手，摩擦双手
hand warmer [ˌwɔːmə(r)] n. 暖手宝，暖手器
underlying [ˌʌndəˈlaɪɪŋ] adj. 潜在的，根本的
iron deficiency [ˈaɪən dɪˈfɪʃnsi] 缺铁
body mass index [mæs ˈɪndeks] 体重指数（BMI）
blood circulation [ˌsɜːkjəˈleɪʃn] 血液循环
hypothyroidism [ˌhaɪpəʊˈθaɪrɔɪdɪzəm] n. 甲状腺功能减退

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