一年前

Some 15 years ago the radiation of uranium was discovered by Henri Becquerel, and two years later the study of this phenomenon was extended to other substances, first by me, and then by Pierre Curie and myself.

大约十五年前铀的辐射由亨利·贝克勒尔发现，两年以后，对这一现象的研究首先由我，然后由皮埃尔·居里和我自己扩展到了对其他物质的研究。

I would like here to recall the extraordinary development of radioactivity, this new science which had its origin, less then forty years ago in the work of Henri Becquerel and of Pierre and Marie Curie.

我想在这里回顾一下放射性研究的非同一般的发展情况；这一新兴学科起源于三十多年前贝克勒尔和居里夫妇的研究工作。

That anxieties are running so high will bemuse many observers who had assumed that Northern Ireland's "Troubles" were ancient history. It is, after all, little more than two years since an amazed and delighted world watched as the Reverend Ian Paisley, a longtime loyalist firebrand, went into government with Martin McGuinness of nationalist Sinn Fein, a one-time IRA commander.

对于双方会晤迫切的渴望使得一些早已断言的观察家们十分的困惑，他们曾一度认为北爱尔兰的"问题"是历史遗留下来的，总之和两年前的民主统一党狂热领袖佩斯利和前任爱尔兰共和军领袖，新芬党的麦克归尼斯一同起诉政府这一事件没有差别，都令世界惊讶。

Six years ago, James Bertram, then a graduate student at Yale University, and colleagues started developing a substitute.

六年前，詹姆斯·伯特伦刚刚毕业于耶鲁大学，他跟同事开始开发了一种血小板替代品。

The reasons were examined with great elegance in an important lecture, given at Oxford fifty long years ago by the neurophysiologist Charles Sherrington, celebrating the bicentenary of Goethe's birth.

原译：五十年前，在牛津大学歌德两百年诞辰的纪念会中，神经生理学家薛灵顿作了一次重要的演说，优雅地检查了歌德之所以徒劳无功的理由。

It's a promise has been at least 15 years in the making. Carpentier, having invented bio-engineered heart valves three decades ago, sought next to create the ultimate artificial heart.

那是一个至少经历了十五年发展的承诺， Carpentier 三十年前已发明了通过生物工程加工的心脏瓣膜，下一步将制造最终的人造心脏。

I have not forgotten an occasion over years ago, when a birdman was going to jump from a Press-filled Rapide.

我永远也不会忘记，几年前在一架载着新闻媒体的飞机上发生的飞行员跳伞事件。

Some years ago, I read on a birthday card that you know you are old when you

几年前，我在一张生日卡上读到：当你会用更多的时间

Led by Michael Blakey, the team has spent several years examining the skeletal remains of more than 400 African slaves whose graves were accidentally uncovered during the construction of a federal office tower in lower Manhattan nine years ago.

在迈克尔·布莱克的带领下，这个小组已经花了几年的时间检查400多具非洲奴隶的骸骨，他们的坟墓是九年前在曼哈顿建造一座联邦办公大楼时偶然出土的。

Block printing was invented 1300 years ago, and movable type 800 years ago.

在一千三百年前，已经发明了刻版印刷/。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。