We have a weight on the piston, and that weight is chosen so that p2 it acts as though p external is equal to p2.

让活塞上放一重物，让它的效果刚好,等同于外压强。

麻省理工公开课 - 热力学与动力学课程节选

I have been gaining weight and don't feel good about it.

我的体重又升上去了，我可不想这样。

Why don't 实战 - SpeakingMax英语口语达人

So here's where we have 30 elements, 40 and a maximum weight of 40.

所以这里我们有30个元素，最大重量是。

麻省理工公开课 - 计算机科学及编程导论课程节选

We think a lot about weight in this country, but weight is a remarkably carefully controlled parameter of a person, that is, you have to work pretty hard to gain weight or to lose weight.

我们身在一个特别关注体重的国家,然而体重是一个,需要小心地控制地人体指标,这就是说,你必须付出相当多的努力,才能增加或减少体重

耶鲁公开课 - 生物医学工程探索课程节选

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

Protein and carbohydrate have 4 calories per gram, per unit weight.

每克蛋白质或碳水化合物产生4卡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选