Ecoenvironmental geochemistry is a new frontier science.

The village straddles the frontier.

这村庄横跨边境线.

Prediction for deep ore prospecting is a frontier and key research in metallogeny and metallogenic prognosis.

深部找矿预测已成为当前成矿学和成矿预测学的科学前沿和研究重点.

Until very recently Texas was an unsettled frontier.

就在没多久之前，得克萨斯州还是一个荒无人烟的边远地区。

But I tell you the New Frontier is here, whether we seek it or not.

但是我要告诉大家,“新边疆”就在眼前, 无论我们要不要去寻找它.

William McNeill , The Great Frontier: Freedom and Hierarchy in Modern Times, Princeton University Press, 1983.

威廉姆.麦克尼尔, 伟大的边疆: 近代的自由与等级, 普林斯顿大学出版社, 1983.

The war greatly multiplied the dangers of frontier life.

战争大大地增加了前线士兵的生命危险.

The frontier has worked him over inside.

边疆生活已使他的思想起了很大变化.

Areas near the frontier were rough and lawless in the old days.

过去边远地区混乱不堪,而且没有法律.

Many young people went to the frontier to build it.

许多年青人去建设边疆.

The frontier station was starved for food and water.

边防站急需食物和水.

Human acts have repercussions far beyond the frontiers of the human world.

人类行为所产生的影响远远超出人类世界的范围.

Sweden has frontiers with Norway and Finland.

瑞典同挪威.芬兰相邻.

They are highly interested in the frontiers of science.

他们对于科学的新领域有浓厚的兴趣.

Sometimes it is a long distance race of cross-frontiers car race.

有时是小卧车的跨国境的长途比赛.

Professor Field is devoted to the exploration of the frontiers of medicine.

菲尔德教授致力于探索医学研究的新领域.

It is through education that we expand the frontiers of knowledge.

通过教育,我们扩大了知识的阵地.

And the same evening German motorized elements reached the Serbian frontiers.

同日晚间,德国的摩托化部队进抵塞尔维亚边境.

The invaders were pushed back beyond their own frontiers.

入侵者被赶回自己的边境以内.

For the coal and steel industries at least, frontiers ceased to exist.

至少就煤炭钢铁工业而言, 边界不复存在.

Many scientists enjoy the excitement of working at the frontiers of knowledge.

许多科学家对在未完全开拓的知识领域工作感到极大的兴奋.