两个半世纪过去了，大多数国家都对烟酒征收了某种税。
Two and a half centuries on, most countries impose some sort of tax on alcohol and tobacco.
然而，它们在下半世纪迅速工业化，特别是在过去二、三十年。
However, they industrialized rapidly in the second half of the century, especially in the last two or three decades.
它（这艘船）在斯德哥尔摩港口的海底躺了将近三个半世纪，直到1956年才被发现。
For nearly three and a half centuries she lay at the bottom of Stockholm harbour until her discovery in 1956.
利比里亚国家是一个半世纪前由来自美国的获得自由的奴隶建立的。
The state of Liberia was formed a century and a half ago by freed slaves from the United States.
然而，在过去的一个半世纪里，对人类发展史的研究表明，文化的形成是生物适应的一部分。
Over the past century and a half, however, studies in the history of human development have shown that the formation of culture is part of the biological adaptation.
半世纪以来，合理的城乡规划使英国得以保留令其他国家羡慕的乡村协调性，同时还允许低密度的城镇人口。
Half a century of town and country planning has enabled it to retain an enviable rural coherence, while still permitting low-density urban living.
但此次的衰退与上半世纪不同。
But this recession is different from those of the last half century.
小罗：距今都一个半世纪多了呀！
我们一个半世纪以来，一直犹豫不决。
他的口音半世纪以前就都该了，可是现在又回来了。
He'd purged most of his accent nearly half a century ago, but now it had returned.
当然最重要的有我半世纪以来所有热爱过的人
在不到一个半世纪后，我们把大气中的二氧化碳猛增到百万分之390。
In the scant century and a half since then, we've bumped atmospheric carbon dioxide up to 390 PPM.
将过去一个半世纪英国地质学领域的出版物做一下比较，(我们)就会发。
A comparison of British geological publications over the last century.
一个半世纪之后，当另一位科学家发现了人类卵细胞时，世界人口已经成倍增至十多亿。
A century and a halflater, when another scientist reported the discovery of human egg cells, theworld’s population had doubled to more than a billion.
当一个田纳西州的男子在2007年选择电椅时，这是这个州几乎半世纪以来第一起电刑。
When a Tennessee man chose the chair in 2007, it was the state's first electrocution in almost half a century.
一个半世纪以前，狄更斯在年青的美国大街上走，看到他的小说被盗版贱卖，也相当气愤。
A century and a half ago, Charles Dickens walked the streets of young America and fumed to see his novels in cheap pirate versions.
不过，即使经过了一个半世纪的观测，这个距离太阳最远的行星，仍有许多尚未解决的问题。
But even with more than a century and a half of observations, many unresolved questions remain about the farthest planet from the sun.
“常量”这一集打破了物理和时间旅行的障碍，以及潜在的长达半世纪的旧式讲故事的模式。
"The Constant" broke the barriers of physics and time travel and the potential of a half-century-old storytelling format.
目前GEO600还没有找到任何引力波，但它可能在无意中获得了半世纪以来最重大的物理发现。
GEO600 has not detected any gravitational waves so far, but it might inadvertently have made the most important discovery in physics for half a century.
对许多美国人而言，以这样一种方式忽略掉载人飞行相对于半世纪前肯尼迪时代的光辉篇章来说显得过于暗淡。
To many Americans, neglecting human space flight this way looks like a sorry end to the glorious chapter Kennedy opened half a century ago.
那个时候英国的煤炭确实已经所剩无几，但一个半世纪后的今天，全世界未开发的煤炭仍可用数百年。
Britain's coal has indeed been depleted, but a century and a half later, there are still hundreds of years worth of coal yet untapped worldwide.
美国从19世纪20年代到20世纪70年代，大约用了一个半世纪的时间完成了农村劳动力的转移。
United States from the 1920s to the 1970s, spent about a half-century to complete the transfer of rural labor.
这次选举产生的特别制宪议会的第一个义务就是宣布尼泊尔成为一个共和国，结束实行了两个半世纪的君主制度。
And the first official duty of the elected special assembly will be to declare the country a republic, ending Nepal's two-and-a-half century old royal dynasty.
我们不仅要接受有限战争的前景，而且更要有意愿接受基辛格半世纪前在书中提到的国与国之间有限核战争的前景。
We must be more willing, not only to accept the prospect of limited war but, as Kissinger does in his book of a half century ago, to accept the prospect of a limited nuclear war between states.
我们不仅要接受有限战争的前景，而且更要有意愿接受基辛格半世纪前在书中提到的国与国之间有限核战争的前景。
We must be more willing, not only to accept the prospect of limited war but, as Kissinger does in his book of a half century ago, to accept the prospect of a limited nuclear war between states.
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