VOA慢速英语:寒冷天气锻炼是好是坏?

benefit – n. a good or helpful result or effect

sedentary – adj. doing or involving a lot of sitting : not doing or involving much physical activity

maximal – adj. greatest or highest possible

the blues – n. a feeling of sadness or depression

mood the way someone feels : a person's emotional state

factor something that helps produce or influence a result : one of the things that cause something to happen

wind chill – n. the effect that wind has of making air feel colder than it actually is

expose – v. to leave (something) without covering or protection

rapidly – adv. happening in a short amount of time : happening quickly

symptom – n. a change in the body or mind which indicates that a disease is present

mild – adj. gentle in nature or behavior

occur – v. somewhat formal : to happen

prickle – v. to cause or experience an unpleasant feeling that is like the feeling of having many small, sharp points against your skin : prickling – n.

numb – adj. unable to feel anything in a particular part of your body because of cold, injury, etc. : numbness – n.

tingle – v. to have a feeling like the feeling of many small sharp points pressing into your skin

shiver – v. to shake slightly because you are cold, afraid, etc.