"What is electric mobility going to give us? Not only on the ground but in the air?

VOA: standard.2010.08.11

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.

所以罗马奴隶制以及奴隶释放制,被古代部分人认为是,某种社会阶级流动，在罗马帝国很少见。

耶鲁公开课 - 新约课程节选

I want to see the end of the internal combustion engine applied to personal mobility.

我想见证内燃机不在应用于,人们出行生活。

麻省理工公开课 - 固态化学导论课程节选

"There were particular needs related to mobility in terms of making sure people were safe.

VOA: standard.2010.06.14

But rooted in free labor ideology is, among other ideas, this notion of mobility.

但是自由劳动意识体系起源于,在众多观点中,人口流动的概念

耶鲁公开课 - 美国内战与重建课程节选

But,he says,ease of mobility still is a frequent challenge in his low-income Bronx neighborhood.

VOA: standard.2010.07.27

It's going to change the very idea of mobility.

它将改变人口流动这一说法

耶鲁公开课 - 美国内战与重建课程节选

Exercise helps older adults maintain mobility and independence and helps prevent falls.

VOA: standard.2010.02.26

The story really begins in Iraq several years ago, when insurgents first began using home-made roadside bombs against the High-Mobility Multipurpose Wheeled Vehicle, or Humvee,the main vehicle the troops were using.

VOA: standard.2009.11.02

"The delivery of capability here in Haiti is a balancing act that requires troops on the ground to distribute humanitarian assistance, the supplies for them to distribute and the mobility necessary for them to be able to reach the communities that are most stricken,".

VOA: standard.2010.01.19