A time ago we thought we knew very well about how the stars rotate around the sun, how baseball fly across the sky, how waves diffuse the surface of the pond.
一段时间以前我们还自以为非常了解行星如何环绕太阳旋转，棒球是如何呈弧线飞越天空，涟漪又是如何漫过池塘表面。
Most of us spend much more time with digital media than we did a decade ago.
与十年前相比，我们大多数人在数字媒体上花的时间更多了。
A few years ago we did ask someone from the technologies department to fix it, but they never seemed to have the time.
几年前我们就向技术部门的人提出要把它修好，但他们好像一直都没时间。
"That's the time you weren't well, wasn't it?"—"Yes, that's right, that was a week ago last Monday."
“就是那个时候你不舒服，是吗？”——“是的，就是一周前的星期一。”
Twenty-five years ago they filled a time capsule and buried it.
25年前，他们装满一个时光宝盒并把它埋了起来。
Compared to people living only a few generations ago, we have greater opportunities to have a good time.
与生活在仅仅几代之前的人相比，我们有更大的过得快乐的机会。
A more disturbing trend in America today is that teens are spending far less time reading than around four decades ago.
当今美国一个更令人不安的趋势是，青少年花在阅读上的时间比40年前要少得多。
A long time ago, Francois Millet and I were young artists.
很久以前，弗朗索瓦·米勒和我都是年轻的艺术家。
A long time ago, there lived a wise man named Zun Nun in Egypt.
很久以前，在埃及住着一位名叫 Zun Nun的智者。
His last full-time job, as a merchandise buyer and product developer, ended four years ago when his employer went out of business.
他的上一份全职工作是商品采购和产品开发，四年前他的雇主倒闭了，他的工作也随之结束。
Some time ago, Disney even put up their "10 new rules for being a modern princess".
前段时间，迪士尼甚至提出了“成为现代公主的10条新规则”。
I did break a bone in my foot playing football a long time ago but that's all healed up now.
我很久以前踢足球的时候确实摔断了脚上的一根骨头，不过现在已经完全好了。
I found this aspect of dance particularly fascinating during a brief time I spent in a rural village in Zimbabwe a few years ago.
几年前，我在津巴布韦的一个乡村度过了一段短暂的时光，在这段时光里我发现了舞蹈的迷人之处。
Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air.
海龟很久以前就回到了海里，和所有返回水中的脊椎动物一样，它们呼吸着空气。
The boy, who was homeless at the time, began learning the game less than a year ago.
这名当时无家可归的男孩，在不到一年前开始学习这种游戏。
It was a few years ago, and I had taken a part-time holiday-season job in a video store at the local shopping mall.
那是几年前的事了，我在假期期间在当地购物中心的一家音像店做了一份兼职。
Hunt's put a "non-GMO" label on its canned crushed tomatoes a few years ago—despite the fact that at the time there was no such thing as a GMO tomato on the market.
汉斯公司几年前在其碎番茄罐头上贴上了“非转基因”的标签——尽管当时市场上并没有转基因番茄这种东西。
Housewarming parties get their name from the fact that a long time ago people would actually bring firewood to a new home as a gift.
乔迁派对之所以得名，是因为很久以前人们会把柴火作为礼物带到新家。
A long time ago, a father was old and sick.
很久以前，有一位父亲，他年事已高，还疾病缠身。
A short time ago, a test was given in some places.
不久前，在一些地方进行了一次测试。
A long time ago, I wanted to give up learning Chinese.
很久以前，我曾想放弃学习中文。
A long time ago, people would bring firewood to their friends' new homes as a gift.
很久以前，人们会把柴火带到朋友的新家作为礼物。
A long time ago it was widely believed that there was life on Mars.
很久以前，人们普遍认为火星上有生命。
Our city is beautiful. It has been famous for Mount Huaguo since a long time ago.
我们的城市很漂亮。在很久以前它就以花果山而闻名。
I did a study several years ago, asking procrastinators to finish a task in a certain period of time.
几年前我做过一项研究，要求拖延者在特定时间完成一项任务。
Ordered over a week ago, the books are expected to arrive any time now.
这些书是一个多星期前订购的，现在预计随时会到。
A high-tech zebra crossing with flashing lights and audio warning was put into use for the first time in Bishan district, Chongqing a few months ago.
几个月前，一条高科技斑马线在重庆璧山区首次投入使用，该斑马线配有闪光灯和音频警告。
Several years ago, researchers made a couple of surveys on how people spent their free time.
几年前，研究人员做了一些关于人们如何度过闲暇时间的调查。
Ten years ago, I spent three weeks at a summer camp and had the best time of my life.
十年前，我在一个夏令营度过了三周，那是我一生中最美好的时光。
A few years ago, we started this kind of "favor war" where one of us would do something kind for the other, such as cleaning up the driveway or building a shed, and next time the other would try to top it with another favor.
几年前，我们开始了这种“人情战”，我们中的一个人会为另一个人做一些好事，比如清理车道或搭建棚子，下次另一个人就会试图用另一个人情来顶上。
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