"Compared to the most active group of women." During the study, the average weight of the participants went up by six pounds, or 2.7 kilograms.

VOA: standard.2010.03.30

And so the value of with i will be the value of i plus whatever I can get using the remaining items and decrementing the weight by the weight of i.

所以装上i之后的总价值,就是i的价值加上剩下物品中,符合条件者的所有价值,再在剩余重量中减去i的重量。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.

好，让我们看看重物的质量,以及它下落的距离，就知道桨轮做了多少功。

麻省理工公开课 - 热力学与动力学课程节选

Now it's not uncommon, by the way, for laboratory animals in these studies to triple their body weight.

顺便说下,在实验室,让动物体重变成普通的三倍,并不罕见

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now you could do a similar sort of thing, but instead of having a candle, you have a paddle wheel, and the paddle wheel is spun by a weight that's dropping from here to here.

那接下来可以做一件类似的事，但不再是蜡烛，我们将它换成一个桨轮，桨轮末端拴一个重物,它可以从这掉落到这。

麻省理工公开课 - 热力学与动力学课程节选

Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.

有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选