If you connect the body to a spring, which is neither compressed nor extended, there's no force acting on it.
如果将一个弹簧连在这个物体上,弹簧既没有被压缩也没有被拉伸,也不会有力作用在它上面
Yeah, I actually, we have a concert here on Main Green once a year called "Spring Weekend"
是的,我们每年都会在梅因格林举办一场音乐会,叫做“春日周末”,
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
What is the heart but a spring, ?" or reason but a means of calculating pleasures and pains."
除了跳动,心脏又为何物,除了感觉愉快和痛苦,人为什么而活“
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。
Each year it's dramatized by the cycle of the seasons, And at a certain time of the year it seems that The forces of darkness and chaos are prevailing but each spring, Once again, cosmic order and life return.
每年这冲突都由季节的轮回戏剧性地体现出来,仿佛是每年都有一个时期,弥散着黑暗和混乱的势力,可是每当春天来临,宇庙的秩序又恢复了。
When we did the spring, we had this theory of Hooke's Law that told us something, and we built a simulation, or built some tools around that theory.
当我们写弹簧程序的时候,我们有胡克定律来告诉我们原理,然后我们建立了一个仿真模型,或者说是在这个理论基础上建立了一些工具。
He was here at Yale as a visitor in the spring for many years.
有很多年的春天他都在耶鲁大学访学。
He goes on in a letter in spring 1862 the war still isn't a war against slavery in any official sense and he writes home to his brother saying he wishes he had the, quote, "Moral courage to desert," because he no longer wants to serve this cause.
在1862年春天的信中,从政治角度来说,那还不是真正意义上的反奴战争,他写信给他哥哥说,他希望有点"道德气节",因为他不想再为这理由继续下去
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。
So far I've seen Young Frankenstein,Spring Awakening, A Chorus Line.
到目前为止,我看过《新科学怪人》、《春初》、《歌舞线上》。
but we have a lot of races in the spring.
但是我们在春季有很多比赛。
suppose I asked you to time a 100 meter spring in the Olympics, but I give you a stopwatch that is measured in units of 15 seconds?
如果我要求你,在奥林匹克数给100米短跑计时,但我会给你一个秒表,它可以测出15秒的大小?
there is a huge festival, "The Venice Beach Spring Fling."
会有一个大型节日,“威尼斯海滩春季狂欢”。
I tie a spring to my back and I anchor it to the wall and see how much the spring stretches before the two forces balance.
我把弹簧一端系在背后,另一端固定在墙上,观察两个力平衡时弹簧的伸长量
Does outer space even rob you of something to which you can anchor a spring?
在外太空中你是否,不再能够固定住弹簧
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