VOA慢速英语:Taking a Closer Look at the Future of Video Conferencing

1.Researchers can send a moving image over the Internet and show it on a special screen in close to real time.

close to离…近

例句：His house is close to mine.
      他的房子靠近我家。

      It is close to fact.
      这更接近于事实。

2.His company advises other companies on buying and using telepresence systems.

advise on就(某事或做某事)向(某人)提出建议〔忠告〕
 
例句：I advised him on technical matters.
      我就有关技术问题向他提出自己的见解。

      They went from door to door to advise the residents on how to store their vegetables.
      他们走门串户去指导居民如何贮藏蔬菜。

3.He says this latest development would have done wonders for the "Star Wars" movie with the famous "Princess Leia" hologram scene.

would have done虚拟语气

在虚拟语气中常会用到表示一个与事实相反的过去的情况，这是要用虚拟语气表示过去情况，从句要用过去完成时 had done, 主句要用 would have done, 例如：

If I had known that you were coming, I would have met you at the airport.

如果我知道你要来，我就会去机场接你了。

If anything had happened indeed, she would have let you know.

如果确实发生了什么事情，她早就通知你了。

If I had left sooner, I'd have caught the bus.

如果早点动身，我就赶上巴士了。

if有时可以省略，从句改为倒装语序，例如：

Had Benjamin been in charge, it wouldn't have happened.

如果本杰明负责，这事就不会发生了。

Had she been asked, she would have done it.

如果那时请她做，她是会这样做的。

4.Even then, Howard Lichtman says it may have trouble competing with systems already on the market.

have trouble doing做某事有困难

例句：I'm having trouble calling the Shell Garage.
          我打谢尔汽车修理厂打不通。

5.It's pushing down to everybody as these environments are becoming publicly available or you can rent them by the hour.

push down to迫使(某人)接受某种观点

例句：The parents are complaining that some unpopular subjects are being pushed down the students' throats.
      家长们抱怨学校强迫学生学一些不受欢迎的学科。