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【PTE学术干货】最新高频Retell lecture精析 (三)


近期的PTE考试,Retell lecture频繁出新题,

小柠檬收集了近期最高频的Retell lecture,

让同学们复习机经时有更多优秀的学术资料,

能在考场上更有底气地回答出retell lecture的答案。


戳音频:

https://mp.weixin.qq.com/s/WasirnHylNu8yRZCzIF7Jg


New App


主要内容介绍:

这段内容是一段视频中摘录下来的叙述+采访。

主要讲述了一个新APP的发明可以被用来检测人的身体情况,

智能手机中的麦克风和摄像头可以用作不同的检测仪器。

文中采访部分有很多重复和口语化的地方,已经做了适当更改。


笔果还原听力原文:

Computer scientist Shreta Chalen (人名) and his team are developing new sensing systems.


“Initial focus was really around energy and water monitoring. ”

They built a new generation of smart sensors that monitor electronic interference on a home’s power line or water pressure changes in the plumbing. Most of these technologies has already found industrial applications. And for Chalen’s team, turn their attention is about adapting the technology for personal health monitoring.

“So how do we take this noise and make it into a signal of interest? …Was kinda… kinda the core of what we did for many years. And we are taking that work and applying it into other domains.”


They are looking to take advantage of all the functionality built into our smartphones. With the users’ permission, this app can use a microphone, built into most smartphones, to listen to background noises. (coughing) Such as coughing, searching for patterns that suggest that a trip to the doctor might be in order.

“With constructive models, we are trying to understand how sound works, how it… what its patterns are. We give a whole bunch of examples of different kinds of audios, things like, uh, people talking, people laughing, sneezing and of course, coughing.”

This app uses a phone’s camera to check HU levels in blood, by analyzing the colors of capillary fluids through the skin.


“Generally, what happens is that phronimids might be a little less red and we took advantage of that, by say, putting your finger over a camera of the phone, the camera of the phone can actually see the coloration of the blood.”

And this test uses the camera to tell parents worried about jaundice in new born infants.

 

“Now, jaundice is something that doctors, who have seen tons of babies have, they just just can’t figure out at a very basic level of, is this baby… do they need to get treatments or they are in a good condition. Well, the first-time parents have no idea what the jaundice might necessarily look like. ”


The researchers say the built-in sensors found in smart phones are already commonplace, but the applications and their implications for our health and well-being may be more far reaching than we ever imagined. 


听力词汇/词组:

New sensing systems 新的感官系统

Plumbing 管道

Adapt sth for sth. 使适应

Health monitoring 健康监测

Domains 领域

Take advantage of 利用

Functionality 功能

Coloration 染色,着色

Figure out 发现,理解

Jaundice 黄疸

Commonplace 老生常谈


Retell lecture要点:

1. 过去的sensor用途:

Initially, the smart sensors were used to track water pressure or power line.

Its industrial applications have already been developed.

2. 描述现在sensor的用途:

Now, the sensor is used for personal health monitoring.

For example, the microphone….

The camera….

3. 描述App可以帮助新生儿父母:

In addition, the new technology can help first-time parents determine jaundice in new born infants, which the doctors can’t figure out.

4. 结论:

The application and implication of this technology may be far reaching than our imanigation.


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