"We not only lost our land, but we lost a lot of our fundamentals in terms of the ability to move across the land, the ability to express ourselves, our traditional forms of government."

VOA: standard.2010.06.22

Now, sodium and potassium don't ordinarily move across membranes, they're charged molecules, they can't dissolve, they can't permeate through a cell membrane, but they go through because there are channels that allow them to pass through in the membrane.

钠和钾通常是不能跨过细胞膜的,它们都是带电粒子,它们不能溶解在细胞膜中,不能渗透通过细胞膜,但它们之所以能通过细胞膜,全赖膜上离子通道的作用

耶鲁公开课 - 生物医学工程探索课程节选

If you've got... if you're looking at some good teams and they can really move across the court.

如果你……如果你看某些好的球队，他们真的会在场上穿行的。

现场观看篮球赛 - SpeakingMax英语口语达人

"That means that they are going to move internally, particularly to other States within the Sudan or across the border to the neighboring countries, particularly Chad, Central African Republic.

VOA: standard.2009.03.28