VOA慢速英语(翻译+字幕+讲解):研究发现白天的伤口愈合更快
日期:2017-11-20 16:44

(单词翻译:单击)

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听力文本

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Daytime Wounds Heal Faster
A new study suggests that the timing of a wound affects the speed at which it heals.
Wounds suffered during the day heal around 60 percent faster than those sustained at night.
The study showed how the body's circadian rhythm controlled the healing of wounds. The circadian rhythm is like a clock or timer. It tells our bodies when to wake up, eat and sleep in a cycle -- a series of activities that repeat themselves day after day. Each cycle lasts about 24 hours.
In the study, researchers found that skin cells moved faster to repair wounds sustained during the day. Their findings were published in the journal Science Translational Medicine.
The researchers examined cells, mice, and burn injury databases. Specifically, their investigation found the following information: Night-time burns - burns suffered between 8 o'clock at night and 8 o'clock the next morning - were 95 percent healed after an average of 28 days.
But after an average of 17 days, daytime burns - burns sustained between 8 o'clock in the morning and 8 at night – were 95 percent healed.
In other words, nighttime injuries took an average of 11 days longer to heal.
Circadian Clocks
The scientists say that circadian clocks play an important part in healing. Circadian clocks control many cells in the body and affect many biological processes, including sleeping.
John O'Neill was a co-leader of the study. "This is the first time that the circadian clock within individual cells has been shown to determine how effectively they respond to injuries," he said.
O'Neill added "We consistently see about a two-fold difference in wound healing speed between the body clock's day and night. It may be that our bodies have evolved to heal fastest during the day when injuries are more likely to occur."
Implications
Wounds are very costly to treat. Worldwide, billions of dollars are spent every year on wound-treatment services. In Britain's National Health Services, for example, such services cost around $6.56 billion per year. Experts says the high costs result, in part, from a lack of drugs that speed up the closure of wounds.
The findings, if confirmed by other studies, could have important implications for surgical operations and wound-healing medicines.
John Blaikley works at Britain's University of Manchester. He said the new study's findings could help scientists develop better drugs. The findings, he added, could also help doctors understand the best time of day to do a surgery or give medicine.
I'm John Russell.

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重点解析

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1.wake up 苏醒

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A cool shower wakes up the body and boosts circulation.
冷水澡可以刺激身体,促进血液循环NHniZP@3E*|mEC%

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2.a series of 一系列的

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A series of technical foul-ups delayed the launch of the new product.
一系列技术问题延误了新产品的上市8O%[x*0kRTspqKM-a+Ou

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3.burn injury 烧伤

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Four fatalities, one serious burn injury, and horrible memories of a tragedy that should have never happened.
四人死亡,一人严重烧伤,这是本来可以避免的一场惨痛的悲剧On]6S|9buZRFX)axyz6g

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4.an average of 平均

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The boats remain at sea for an average of ten days at a time
这些船只每次在海上平均航行10天0IN6pJ@,!E

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5.The scientists say that circadian clocks play an important part in healing.

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play an important part in 发挥重要作用

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He play an important part in the development of the French nuclear power programme.
他在法国核动力规划的开发中起了重要的作用wM.ckIxO5Gi|yeZ7Hweg
The detection of human physical signals play an important part in modern medical treatment and research.
人体生理信号的检测在当代医疗和医学研究中发挥着重要的作用+H,cJN2Qkp

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6.Experts says the high costs result, in part, from a lack of drugs that speed up the closure of wounds.

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in part 某种程度上;部分原因是

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In part this attitude was due to fear of trade union and employee reactions.
在某种程度上,这一态度是由于害怕工会和雇员的反应VUFDZK_,P86Qp9!O[ds
Their harmonious relationship resulted in part from their similar goals
他们关系融洽的部分原因是他们有着相似的目标01&2w=H@hub@f+Zm

参考译文

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研究发现白天的伤口愈合更快
新研究发现,受伤的时间会影响伤口愈合的速度Q2o7WSpx))j6eE+_t
白天所受伤口的愈合速度比夜晚所受伤口快60%riu_Owh26w&ko6dZU
该研究展示了人体的昼夜节律如何控制伤口的愈合速度_TkdzufMdVeO@。昼夜节律就像钟表或计时器I2,BIsPM=@rQ)fq&oeF-。它会周期性地提示人体苏醒,进食,睡觉的时间——这些活动每天都会重复进行vJnZ[ad-!(0o。每次循环周期为24小时l8aMmeVYIY
在这项研究中,研究人员发现,皮肤细胞能够更快地修复白天的伤口&8OqrLwQq!jhkupou=。他们的研究发表在《科学转化医学杂志》上pA_(E6K~SG[DAd
研究人员对细胞、老鼠和烧伤损伤数据库进行了检查9=AFfqOvH=-A。具体来说,他们的研究发现了以下信息:95%的夜间烧伤(即晚8点到次日早8点),其平均的愈合周期为28天]!cVnq;=maX|fp82W

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研究发现白天的伤口愈合更快.jpg
而95%的白天烧伤(早8点到晚8点),其平均的愈合周期为17天f,x4=NSqFbp4h[[ZzA
换句话说,夜间伤口的愈合速度平均慢11天TXYOHW6SgbO2MtK.I&7O
科学家指出,昼夜节律在治疗方面有着重要的作用1TVQ#)-DA%itZXiyq3G。昼夜节律可以控制人体的许多细胞并影响许多生物过程,包括睡觉pVp6#&1pxgP
约翰·奥尼尔(John O’Neill)是该研究的联合负责人IxKSPQnLVM!g。他说,“这项研究首次显示出,个体细胞内的昼夜节律能够对伤口作出有效反映”Oqv7Agbc(8;uA~MaYVD
奥尼尔还表示:“我们不断了解到,昼、夜时伤口的愈合速度有着两倍的差异lt|vqT2BmG]rgUus。或许是因为白天更容易受伤,因此人体的愈合速度也就更快e]F*tEYTPH%LtBm^。”
伤口治疗的价格不菲n4lxhY,p4CFM@hq;。每年全球用于伤口治疗的费用高达数十亿美元DJTjrD2gE%R。以英国国民医疗服务体系为例,其每年在伤口治疗方面的花费达65.6亿美元Vr!q)=m;vD8d。专家称,如此高昂的花费部分原因是缺乏加速伤口愈合的药品R(wLlaHD40jtCsKIPddO
如果得到其他研究证实,这一发现可能对外科手术和伤口愈合药物具有重要意义DOw,PE.h!U[-*w0Oi
约翰·布莱克力(John Blaikley)就职于英国曼彻斯特大学eGn[&_7GJz3nLApS。他表示,新研究发现可以帮助科学家发明更有效的药物ery=ns-z^zwnl(。他还指出,这一发现也能帮助医生确定最佳手术时间或最佳用药时间Htr3FXU%BZ]*|%(&9
约翰·罗塞尔为您播报^~yy%be+4vrYUd@

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译文为可可英语翻译,未经授权请勿转载!

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