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中国福利彩票微信群_VOA慢速英语(翻译+字幕+讲解):晕车能够提前预防,你相信吗?

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Could a Jolt to the Brain Stop Motion Sickness?
Some people can get motion sickness from being in moving vehicles such as cars or airplanes.
But, a new device could stop motion sickness by suppressing some signals in the brain.
Motion sickness occurs when the motion you sense with your inner ear is different from the motion you see. Symptoms of motion sickness are dizziness, nausea and vomiting. People have tried different ways to prevent the condition, including wrist bands and anti-nausea drugs.
But often, nothing works.
Now, scientists at Imperial College London are working on a device to counteract motion sickness.
Michael Gresty is an expert on the condition.
"You imagine being on a bicycle or motorbike; you go around the corner, you lean into the corner, which remains perfectly upright in physics.
"You don't do that in a car. You don't do that on a ship. You're actually struggling to find out what is upright and what's the best way of dealing with it."
The device sends a weak electrical current through electrodes placed on a person's head. The electric current appears to cause the brain to suppress signals that affect the inner ear.
Researcher Qadeer Arshad says the scientists found "that it took longer for the individual to develop motion sickness and that they also recovered faster."
The next step is to test the device outside the laboratory.
Michael Gresty says there are no reports of unwanted side effects from the small amounts of electricity released by the device.
The researchers hope a device that plugs into a smart phone and attaches to the head will be available within 10 years.
I'm Jonathan Evans.

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重点单词   查看全部解释    
device [di'vais]

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n. 装置,设计,策略,设备

 
unwanted ['ʌn'wɔntid]

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adj. 不必要的,空闲的

 
jolt [dʒəult]

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n. 震摇,摇动,颠簸,振奋物,少量 vt. 震摇,敲击

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upright ['ʌp'rait]

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adj. 正直的,诚实的,合乎正道的

 
suppress [sə'pres]

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vt. 镇压,使 ... 止住,禁止

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imperial [im'piəriəl]

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adj. 帝国(王)的,至尊的,特大的
n.

 
dealing ['di:liŋ]

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n. 经营方法,行为态度
(复数)dealin

 
prevent [pri'vent]

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v. 预防,防止

联想记忆
leather ['leðə]

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n. 皮革,皮制品
adj. 皮革制的

 
address [ə'dres]

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n. 住址,致词,讲话,谈吐,(处理问题的)技巧

 


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