【fast音标】 英[fɑ:st] 美[fæst]
【单词释义】 fast是什么意思：
adj.快的；迅速的；走得快；感光快的；紧的
adv.（比准确的时间或宣布的时间）快；迅速地；紧紧地；彻底地
vi.节食，禁食，（尤指）斋戒
n.禁食期，斋戒期；断食，节食
[单词分级] 高考英语词汇
[单词复数] fasts [第三人称单数] fasts
[单词现在分词] fasting
[单词过去式] fasted
[单词过去分词] fasted
[比较级] faster [最高级] fastest
【fast形近词/近似词】
breakfast n.早餐
unfasten v.解开（尤指衣服或带子）；松开；脱开；打开
steadfast adj.坚定的；固定的；不动摇的
【近义词解析】
◇ 迅速的
fast (adj. 迅速的)：指移动速度快的或能够快速移动的，也可指迅速或立即发生的。强调速度快。
quick (adj. 迅速的；脑子反应快的)：指持续或耗费时间短的，移动、做事等速度快的，或指人聪明、机敏的。强调时间短。
rapid (adj. 迅速的)：指快速发生或完成的。强调发展迅速。
swift (adj. 迅速的；敏捷的)：指立即发生或马上做出的；也可指移动速度快的或能够快速移动的，作此义解时只作定语。
【单词例句】
◇ IT was terribly cold and nearly dark on the last evening of the old year, and the snow was falling fast.
天气非常非常冷，夜幕已降临，雪下得很大。这是旧年最后的一夜——除夕之夜。
◇ "Now I am perched on a stalk, like the flowers,"said the butterfly. "It is not very pleasant, certainly; I should imagine it is something like being married; for here I am stuck fast."And with this thought he consoled himself a little.
“现在我像花儿一样，栖在一根梗子上了，”蝴蝶说。“这的确是不太愉快的。这几乎跟结婚没有两样，因为我现在算是牢牢地固定下来了。”他用这种思想来安慰自己。
---- The Butterfly
◇ If I give birth to a little son, I will raise a white flag. If I give birth to a little daughter, I will raise a red flag, and then you should escape as fast as you can, and may God protect you.
如果我生下的是个小弟弟，我就升起一面白旗，你们就可以回来了。如果我生下的是个小妹妹，我就升起一面红旗，你们就赶紧远走高飞，愿上帝保佑你们。
---- The Twelve Brothers
◇ When the king's daughter saw the beautiful ball, she was full of joy. She took it and ran away as fast as she could.
国王的女儿看到她漂亮的球时，非常高兴。她把它拿起来，然后飞快地跑掉了。
---- The Frog Prince
◇ Then she was terrified, and wanted to fling off the red shoes, but they clung fast; and she pulled down her stockings, but the shoes seemed to have grown to her feet.
这时她就害怕起来，想把这双红鞋扔掉。但是它们扣得很紧。于是她扯着她的袜子，但是鞋已经生到她脚上去了。
---- The Red Shoes
◇ Launching the WHO's global report on trends in prevalence of tobacco smoking, he said that industrialized countries are making faster progress than developing countries.
他在发布世卫组织全球吸烟率趋势报告时说，工业化国家比发展中国家控烟进步更快。
---- Tobacco use still a major cause of death
◇ One factor is the volume of a given drink: The more you drink, the faster the drink empties from your stomach and gets absorbed into the bloodstream, where it can dilute the body's fluids and hydrate you.
一个因素是饮料的摄入量：你喝得越多，饮料从胃里排空并被血流吸收的速度越快，从而稀释体液，给你补水。
---- Which drink is best for hydration? Hint: It isn't water
◇ Certified strength and conditioning specialist Kyle Firmstone has seen many problematic treadmill activities. Firmstone said you shouldn't walk too close to the console, jump off and on while the machine is still in motion, or set the treadmill to a speed faster than you can handle.
力量和调节认证专家凯尔·费尔姆斯通见过很多使用跑步机的错误做法。费尔姆斯通指出，不能走得离控制台太近，也不能在跑带仍在移动的时候跳上跳下，或是给跑步机设定的速度超出自己的能力范围。
---- How to use treadmills safely
◇ Running fast and hard for just 5 to 10 minutes a day can provide some of the same health outcomes as running for hours can.
每天高强度地跑上5到10分钟所带来的某些好处和连续跑上数小时是一样的。
---- Common fitness misconceptions
◇ As for how much exercise, Dr Claire Knight, senior health information manager at Cancer Research UK, recommended 150 minutes of exercise a week, but said: “You don’t need to run a marathon or join a gym – anything that gets you warmer, slightly out of breath, and your heart beating faster counts.
那么需要多大的运动量才能有效果？英国癌症研究院的高级健康信息主管克莱尔·奈特博士建议每周锻炼150分钟，但是他指出：“你不需要跑马拉松或去健身馆，只要能让你热起来、稍微有点气喘、心脏加速的活动都可以。”