Some property owners are replacing grass with ground covers that require less care and water.

VOA: special.2009.07.07

The partial pressure of the water, of gaseous water above that equilibrium of ice and water is not one bar, it's much less.

哪里错了吗？,问题在于,冰水混合物上方的,大气中水蒸气的分压，不是一个大气压。

麻省理工公开课 - 热力学与动力学课程节选

Realize that there's this wonderful mechanism in place that allows you to put your toe in the water for several weeks no less and then get a sense, and then decide whether or not this is something for you.

要知道这种好的评分体制哈佛也有,在这种机制下你可以先试听几周,熟悉这一机制，然后再决定这是否适合你。

哈佛公开课 - 计算机科学课程节选

The nesting grounds for pelicans, gulls and other water foul, they rise less than 30 centimeters above sea level.

VOA: standard.2010.05.09

There can be a supply of them, a storehouse of them that can build up in the body, and so day-to-day fluctuations become less of a problem with fat soluble then water soluble vitamins, because the body can go grab them from a storage depot, if you will.

从而在体内建立起一个供应源,一个脂溶性维生素仓库,这样一来,相比起水溶性维生素,脂溶性维生素的浓度不会每天剧烈波动,因为机体可以任意取用体内的储存

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The United States has already pledged But the United Nations says it needs no less that $543 million to provide shelter,food, water and medical care for those affected by the war.

VOA: standard.2009.06.03

So I'll be producing this stuff, this water at cost c and only getting p, which is not only less than c in return.

这就导致成本是c的瓶装水只能卖到p,这个价格都不能捞回本钱呢

耶鲁公开课 - 博弈论课程节选