Although the process of professionalisation and specialization was alreadywell under way in British geology during the nineteenth century, its full consequences were thus delayed until the twentieth century.

虽然职业化和专业化过程19世纪的英国地学界中己经开始形成，但是它的效果却延迟到20世纪才充分显示出来。

The growth of specialization in the nineteenth century, with its consequent requirement of a longer, more complex training, implied greater problems for amateurparticipation in science.

19世纪的专业化的发展，以及随之而来的对训练的长期性，和复杂性的要求，对业余人进入科学界造成了更大的困难。

Thus, in the nineteenth century, local geological studies represented worth while research in their ownright; but, in the twentieth century, local studies have increasingly become acceptable to professionals only ifthey incorporate, and reflect on, the wider geological picture.

因此，19世纪，局部的地学研究本身就代表了一种有价值的科研；而到了20世纪，局部的研究有包含或考虑到更广阔的地面貌时才越来越被专业人。

Born on November 14, 1840, Claude Monet was a nineteenth century French painter, and one of the founding fathers of French impressionism.

克劳德.莫奈生于1840年11月14日，是19世纪法国画家，法国印象派创始人之一。

At one time sheep were kept there, and in the nineteenth century the owners had a little zoo with animals like rabbits and even a baby elephant.

曾经这里是养羊的，19世纪主人有一个小型动物园，里面与很多动物，比如说兔子，甚至是大象。

So, by the early nineteenth century, coffee was already being widely produced and consumed.

所以，到十九世纪早期，咖啡已经广泛生产和消费。

And because it was already so busy, prospectors began to look for other minerals, and by the end of the nineteenth century, lead, copper, manganese and arsenic were added to the cargos leaving Manham.

由于这个港口已经十分繁忙了，勘探者便开始寻找其他矿物，到十九世纪末，铅、铜、锰和砷都被开采了出来，成为了Manham对外输出的货物之一。

By the seventeenth and eighteenth centuries, the region's rivers supported more than a hundred and sixty water mills, and many of these continued to operate well into the nineteenth century.

到17和18世纪，这带河流支持超过160个水磨，直到19世纪，其中有很多还运作良好。

In the nineteenth century, Irish immigrants took Halloween customs from Europe to the USA.

爱尔兰移民19世纪将万圣节习俗从欧洲带到了美国。

Medical masks have a long history from the plagues of medieval Europe to nineteenth century outbreaks of cholera in the United States, but when did they start to be commonly used?

医用口罩从中世纪的欧洲到19世纪美国霍乱的爆发拥有很长的一段历史，但是它们什么时候开始被广泛使用的呢？

And by the middle of the nineteenth century the Rapanui had almost disappeared completely!

到19世纪中叶，拉帕努伊人几乎完全消失了！

So it was that Rutherford Hayes became the nineteenth president of the United States.

就这样，卢瑟福·海斯成为了美国的第十九任总统。

They completely reconfigured the flute and how you play it in the nineteenth century.

十九世纪 他们完全重新配置了长笛和演奏方法。

The technology that launched Sputnik probably began in the late nineteenth century.

发射人造卫星技术可能始于19世纪末。

However, in the late eighteenth and nineteenth centuries, social dancing became more popular.

但是，到了18世纪末期和19世纪，交际舞变得更加流行。

By the nineteenth century, London was the busiest port of the world, and this became the main source of employment in the East End.

到19世纪，伦敦成为世界上最繁忙的港口，这也成了东伦敦主要的就业来源。

In the nineteenth century, the British saw them as savage bad guys-horn-helmeted rapers and looters.

十九世纪，英格兰人视他们为野蛮的恶棍，戴着牛角头盔，奸淫掳掠无恶不作。

The nineteenth century is a period of both urban growth and urbanization.

十九世纪是城市发展以及城市化的时期。

During the first half of the nineteenth century, leaders of the United States could find no answer to the question of slavery. The dispute grew more threatening after the war with Mexico in eighteen forty-nine.

19世纪上半叶，美国的领导人无法找到解决奴隶制问题的答案。这场争端1849年与墨西哥之间爆发战争之后变得更具威胁性。

In the early nineteenth century, scientists assumed that the Sun worked just like any fire on Earth, that there was a source of fuel, perhaps coal, that was slowly burning away.

19世纪早期，科学家假设太阳就如同地球上的任何火一样，有来自象煤这样的燃料，慢慢地燃烧。