And Sue wore a beautiful white dress with a huge steel-spring bustle in the back.

VOA: special.2009.11.28

With some degree of confidence, I'm working with a reliable spring and then I will get the mass of the elephant.

这时我就对弹簧有信心了,我用的是一个可靠的弹簧,我能测出大象的质量

耶鲁公开课 - 基础物理课程节选

Maybe you're talking with a friend about where you should go for spring break vacation,

假如你在跟一个朋友讨论你们该去哪里过春假。

I've already 课堂 - SpeakingMax英语口语达人

But this spring is a struggle with disaster.

VOA: special.2010.04.13

We know now with the same spring, by this comparison, we will find all objects now can be attributed a mass.

我们现在知道利用相同的弹簧,采用这种比较的方法,就会发现,所有物体都有确定的质量

耶鲁公开课 - 基础物理课程节选

And here in the middle of the page a little ways down: My love's striped black-and-white cotton frock, jaunty blue cap, white socks and brown moccasins were not quite in keeping with the large, beautifully cut aquamarine on a silver chainlet which gemmed her throat, a spring rain gift from me.

在这一页中间偏下的地方：,我的小情人穿着黑白条子的棉布裙，带着鲜艳的蓝色帽子，白袜子和亮皮鞋与她脖子上那条优美的,蓝宝石项链有些不协调,这是由于那场春雨我送给她的礼物。

耶鲁公开课 - 1945年后的美国小说课程节选

You cannot have a spring pulled only at one side, because then it will then accelerate with infinite acceleration in that direction.

你不可能对弹簧只施加一边的拉力,因为那样的话弹簧就会以无穷大的加速度加速,就在这个方向上

耶鲁公开课 - 基础物理课程节选