I was talking to one of my colleagues in the physics department the other day, and we ended up discussing how one discovery can change everything.
前几天我和物理系的一个同事聊天，聊天到最后，我们探讨了一个发明是如何改变一切的。
Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.
大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤，因为黑色素的合成是需要时间的。
From this survey, one can estimate that fewer than one in five children have some contact with a hospital teacher—and that contact may be as little as two hours a day.
从这个调查中，我们可以估计不到五分之一的孩子和医院的老师有过接触——这种接触可能每天只有两个小时。
That's one of the reasons why at least one child dies and 293 children are injured in a house fire every day.
这也是为什么每天都有至少一名儿童死于火灾、293名儿童因为房屋火灾受伤的原因之一。
The hot and wet weather in the south makes southern Chinese buy just enough food for one meal or one day, or else the food may go bad.
南方炎热潮湿的天气使得南方人买的食物只够吃一顿或一天，否则食物可能会变质。
In America, people are faced with more and more decisions every day, whether it's picking one of thirty-one ice cream flavors, or deciding whether and when to get married.
在美国，人们每天都面临着越来越多的决定，无论是从31种冰淇淋口味中选择一种，还是决定是否结婚和何时结婚。
One of her classmates, the one with two mommies, showed up to school every single day dressed in a Cinderella gown, with a bridal veil.
她的同班同学，一个有两个妈妈的小女孩，每天上学都穿着一套灰姑娘的礼服裙，还带着新娘面纱。
The second day I set two clocks, one on my night table, and one out in the hallway.
第二天，我设置了两个时钟，一个放在床头柜，另一个放在走廊。
The technology, Strano said, could one day be used to light the rooms or even to turn trees into self-powered street lamps. In the future, the team hopes to develop a version of the technology that can be sprayed onto plant leaves in a one-off treatment that would last the plant's lifetime.
斯特拉诺表示，该技术将来可能用于房间照明，甚至可以将树木改造为自供电路灯。该团队希望未来可以开发此技术的新形式，用于喷洒植物叶片，一次操作，终生有效。
One day, I noticed the sole was almost off one of his shoes and he was putting cardboard in its place so he could go to work.
有一天，我注意到爸爸有一只鞋子的底和面几乎完全脱离了，他在脱开的地方塞进去一块硬纸板，从而可以步行去工作。
One day he struck out three times in one game.
有一天，他在一场比赛中三次被三振出局。
A good example is errands — instead of running one or two a day, do them all in one day to save time and gas.
举个最好的例子–出差，原本要跑上一天或两天的差事，你可以用一整天去搞定它，这样既省时有省油。
Meanwhile, one of her classmates, the one with two mommies, showed up to school every single day dressed in a Cinderella gown. With a bridal veil.
与此同时，她的同班同学，一个有两个妈妈的小女孩，每天上学都神气地穿着一套灰姑娘的礼服裙，还带着新娘面纱。
One day, Richard saw one of these springs fall off his desk. It rolled over itself in the most fascinating way.
一天，查理德看到其中的一个弹簧从他的桌子上掉了下来，以非常迷人的方式自个儿翻转了起来。
Researchers in Japan found that women who consumed one or more eggs a day were more likely to die than women who ate one or two eggs a week.
研究员在日本发现每天吃一个或更多鸡蛋的妇女比一个星期吃一到二个鸡蛋的妇女更容易死。
One employee having one bad day in a bad way can cause dozens or hundreds of customers to have a bad day.
一个用很糟糕的方式对待自己糟糕的一天的员工能够造成数十或者成百上千的顾客的一天都过得很糟糕。
Scientists believe the technique could be widely applied in the future, which could one day turn spuds into one of nature's "superfoods".
科学家深信这种技术将来能得到广泛应用 ，而且这种技术可未来土豆将由此变成自然界的一种“超级食物”。
The Bates look set to become the biggest family in the world one day, and are only one baby behind the Duggars from Arkansas, who have 19.
未来贝茨家有望成为世界上最大的家庭，目前他们比阿肯色州有19个子女的达格斯夫妇仅少一个孩子。
When you pass through it in one direction, it takes you exactly one day into the past; if you pass through in the other direction, it takes you exactly one day into the future.
当你从一个方向穿过它时，需要整一天回到过去，如果你从另一个方向穿过时，要花一整天去到未来。
Computers were so large, complex, and expensive that it wasludicrous to think that you would one day have one in your home, letalone hold one in the palm of your hand.
当时的电脑体积庞大，结构复杂，价格昂贵，我们谁也想不到，有一天我们家里会摆着一台电脑，甚或手上提着一台电脑。
One day, he met some people on the road who werechattingand laughing. One of themsaid that people in Handan walked most gracefully.
有一天，他在路上碰到几个人说说笑笑，只听得有人说邯郸人走路姿势那叫美。
For one hunter, the search began one day when he was out in the woods and, he swears, he saw Bigfoot cross his path.
例如一个猎人，在一天的森林狩猎时，他发誓，他看到了大脚怪穿过那条小路。
One recent study reported that eating more than one serving of processed red meat per day resulted in a much higher risk of cancer, particularly bowel cancer.
最近的一项研究报告说，每天吃多一份腌制肉类便会导致更高癌症的风险，特别是肠癌。
And I kept those pictures in my mind, and I made a wish that one day I would like to be one of those ladies.
那些画面一直停住在我的脑中。我许愿自己有一天也能成为那些女士的一员。
There is no ongoing scientific debate about the fact that one day in solar time is comprised of 24 hours, or that one year is 365 days in length.
现在，对于太阳时的一天包括24个小时、一年有365天这样的事实已经不再存在科学上的争论。
One day, as we are standing off to the side, we see a person walk out of the rear side of the gate, emerging from one day in the future.
有一天，正站在门边的时侯，我们看到从门的后方走出一个人，是从未来某一天来的。
One day, for no particular reason, one of the men stabs an innocent woman to death in the street.
一天，其中一人毫无理由的刺死了路上的一位无辜的妇女。
Maybe one day someone living in the future will find the information on the invitation and use a wormhole time machine to come back to my party, proving that time travel will, one day, be possible.
也许在未来的某一天的某个人将发现邀请函上的信息，使用时间机器来到我的聚会，证明时间旅行时可能的。
Maybe one day someone living in the future will find the information on the invitation and use a wormhole time machine to come back to my party, proving that time travel will, one day, be possible.
也许在未来的某一天的某个人将发现邀请函上的信息，使用时间机器来到我的聚会，证明时间旅行时可能的。
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