He said the other routes would be closed by snow in winter.

VOA: special.2009.05.28

So the influx of ions from the outside of the cell to the inside of And you can think of ion channels as being gated, by gated it means the gate can be closed and no ions are going through, as in this case here.

下面以离子从细胞外部流入内部,你可以把离子通道想象成是有闸门的，也就是说闸门可以关上,这时没有离子能通过，就像这种情况。

麻省理工公开课 - 化学原理课程节选

The system can be an open system, or it can be a closed system, or it can be isolated.

系统可以是开系，可以是闭系，或是孤立系。

麻省理工公开课 - 热力学与动力学课程节选

For safety reasons, both the park and the road from it south to Las Cruces, New Mexico may be closed for an hour or two while tests are taking place.

VOA: special.2010.01.04

The polis, as Aristotle as well as Plato clearly understand, is a small society, what could be called today a closed society.

如亚里士多德及柏拉图清楚明白,是一个小型的社会，即今日所称的封闭社会。

耶鲁公开课 - 政治哲学导论课程节选

"Just a few months ago, folks thought that these factories might be closed for good.

VOA: standard.2009.08.05

But it came down to this theme that still is so important, and was already so important, which is, what is Russian that should be kept uniquely Russian and closed to outside influence?

但是归根结底,这牵扯到一个相当重要的主题,那就是俄国的哪些特质,该不受外界影响而保留下来

耶鲁公开课 - 欧洲文明课程节选

They closed the door and came back. They seemed to be getting ready to leave.

VOA: special.2009.07.04

When you do Sitting Meditations and Buddhism, this medical school teach, you have your eyes open a reminder, that first of all, you don't fall asleep but also to remind you that you are supposed to be engaging the world as you do it, rather than having your eyes closed and isolating yourself.

当你学习佛教，进行坐禅时，据医学院的方法，你要睁开双眼,提醒自己，首先不要睡着,也是为了提醒自己,冥想时也要参与到这个世界中来，而不是闭上双眼,与外界隔绝。

普林斯顿公开课 - 人性课程节选

Should the new territories be opened or closed to slavery.

VOA: special.2009.02.26

So a closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.

因此闭系可以是，比如说，一杯放了,一个冰块的冰水，顶上加了盖子。

麻省理工公开课 - 热力学与动力学课程节选

The hotel will be thoroughly disinfected and will remain closed until the health department certifies it does not pose any health risk.

VOA: standard.2009.05.08

Will the best regime be a small closed society ? that through generations has made a supreme sacrifice towards self-perfection? Think of that.

最优的政体会是一个小型封闭的社会吗,经过多代之后，已壮烈地牺牲于自我完善之中,想想这个问题。

耶鲁公开课 - 政治哲学导论课程节选

"My office is closed. I have to tell my patients I cannot be in France.

VOA: standard.2010.04.19

Neither official would provide any insight into the closed-door White House deliberations on the way forward in Afghanistan, which are expected to be concluded within the next few weeks.

VOA: standard.2009.10.06

According to Ben Urbonas, president of the Urban Watersheds Research Institute, these nutrient contaminants tend to be more of a problem in closed water systems,like lakes, where concentrations can build up.

VOA: standard.2010.08.04