Material called a growth medium is put on the joint to keep it from getting dry and to help the two plants grow together.

VOA: special.2010.05.18

In authentic education, silence is treated as a trustworthy matrix for the inner work students must do, a medium for learning of the deepest sort."

在真正的教育中，安静为学生进行内省提供可靠环境，是一种最深层次的学习媒介“

哈佛公开课 - 幸福课课程节选

The truth of the matter is if you look at the technology industry, there's always a few big guys, some medium size guys, lots of small guys, and the names are always changing because the industry is so darn dynamic, and there's so much new stuff being invented.

真相是，如果你回首科技行业，人总会分为三六九等，耳熟能详的名字总在变化,因为这个行业发展实在太快了，有如此多的新事物被发明出来。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

"It is a great medium to reach people, people in academics started to understand the power of gaming."

VOA: standard.2010.04.20

But it's I think it's best think of it is advertising entertainment driven medium, how will that be effected by integration with the internet. I think internet entertainment will drive adoption of video internet.

但我认为这最好认为它是,广告-娱乐推动的媒体，互联网融合将会,怎样影响它呢，我认为互联网,娱乐会推动网络视频被采用。

麻省理工公开课 - 媒体、教育、市场课程节选

He says his decision was guided in large part by new intelligence that shows Iran is focusing on the development of medium and short-range missiles.

VOA: standard.2009.09.17

That's a testament to how engaging movies are and the visual medium is.

VOA: standard.2010.07.16

Iran's military exercises, which started Sunday and have included test launches of short and medium-range missiles as well, come just days after the disclosure that Tehran is building a new uranium enrichment plant.

VOA: standard.2009.09.28

"But we also have to recognize that if markets are skittish and don't have confidence that we can tackle the tough problems of our medium- and long-term debt and deficits,then that also is going to undermine our recovery."

VOA: standard.2010.06.27