VOA慢速英语:Legal Aspects of 3-D Printing

1. Designers demonstrate a large number of different machines at 3-D print shows.

a large number of 很多
例句：He added that a large number of collectors live in london.
他又补充说，有大批收藏家居住在伦敦。

2. "All of those companies are in very active engagements right now about how they'll deploy 3-D printed products over the next year, and we're going to see that," said Tetro.

be going to 要，会，将要
例句：I'll be going to school there for the next two-and-a-half years.
接下来的两年半里我都要去那个学校的。

3. "If companies really take advantage of that and just charge nominal fees to download your favorite character off 'Star Wars' and 3-D print it, I think that's going to prevent a lot more piracy," said Porqueras.

take advantage of 利用
例句：How can you take advantage of their support?
你将如何利用他们支持的优势？

4. The lack of legislation related to 3-D printing will not stop the technology from spreading, but experts say they hope new laws will not punish people for printing a copy of something for their personal use.

relate to 涉及; 同…有…关系
例句：Share something I can relate to.
分享一些与我的兴趣有关的东西。