"In areas where the sleeping sickness is still very prevalent, such as remote areas of some central African countries -- which are by the way very unstable areas -- it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: special.2010.04.07

These are elements that have yet to be isolated These are elements that are unstable.

这些元素还没有被提取出来,这些元素很不稳定。

麻省理工公开课 - 固态化学导论课程节选

and they think that jobs like movie directors are unstable.

但却认为电影导演这样的职业很不稳定。

在梦想与现实之间 - SpeakingMax英语口语达人

Better to avoid the unstable hammocks altogether, since they're filled with snakes, occasional bears, and flesh-eating plants that, helpfully,feed on mosquitoes.

VOA: standard.2010.03.29

On the rickety bridge you're swaying in the breeze hundreds of feet above the water, the bridge seems unstable.

在摇摇摆摆的桥上面,你在几百尺高的水上悬着，在微风中荡来荡去，桥似乎也不稳。

耶鲁公开课 - 心理学导论课程节选

"She's become unstable." "This is the disaster everyone warns about: a new species set loose in the world."

VOA: standard.2010.06.09

And so He2 unstable.

因此He2，不稳定。

麻省理工公开课 - 固态化学导论课程节选

UNICEF reports the global financial crisis and unstable food prices are increasing poverty and malnutrition.

VOA: standard.2010.02.04

With a fractional reserve system you're in an unstable equilibrium.

伴随着部分准备金银行制度,英国的银行业处于一个不平稳的均衡中。

耶鲁公开课 - 金融市场课程节选

Moon said 98 percent of the poppies in Afghanistan are grown in the unstable south.

VOA: standard.2009.03.27

Six-month-olds don't, and even 12-month-olds don't find anything weird about this, while adults are sophisticated enough to understand that that's an unstable configuration and should fall over.

六个月大的婴儿则不会这么想,即使是十二个月大的婴儿,也没有发现这个木块存在的异常,只有经历世事的成年人才会理解,这不是个稳定的结构,而这个结构是会倒塌的

耶鲁公开课 - 心理学导论课程节选

Curtis says the surge will also reassure India that the Americans are there to stay and do not intend to cut and run, leaving behind an unstable Afghanistan and Pakistan, which would be a definite problem for India.

VOA: standard.2009.12.06

Home prices have become unstable.

房价已经开始动荡

耶鲁公开课 - 金融市场课程节选

"In areas where the sleeping sickness is still very prevalent such as remote areas of some central African countries, which are by the way very unstable areas, it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: standard.2010.04.05