VOA慢速英语:New System May Let You Appear Someplace You Have Never Been

1.But the new system might be able to send a moving 3-D image of a person over great distances -- and show it 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.People can see you just the way you are as if you've been there.

as if好像, 似乎, 仿佛

例句：Why doesn't she buy me a drink?It isn't as if she had no money!
      她为什么不给我买一点饮料?好像她没钱似的!

3.The screen is made from a special photorefractive material.

made from由……制成（一般是指不能看出原材料或发生的是化学变化）

例句：Flour is made from wheat.
      面粉由小麦制成。

4.Doctors could use it for telemedicine. But the researchers say their holographic telepresence system is still years away from completion.

away from远离，距离……还有多久