Now, though, a novel type of steel has been developed that resists fractures at much lower temperatures, while retaining its strength and toughness—without the need for expensive additives.
然而现在，一种新型的钢已经被开发出来，它可以在更低的温度下抵抗断裂，同时保持其强度和韧性，而不需要昂贵的添加剂。
It was written in 1962 and we are supposed to write about its influence on American theatre and show why it's been so important.
它写于1962年，我们应该写它对美国戏剧的影响，并表明它为什么一直如此重要。
Had Iberia fallen to one of BA's European rivals, and its position would have been badly weakened.
假使伊比利亚成为英航的欧洲对手之一，它的地位将会被严重削弱。
Much of the world's great architecture has been constructed of stone because of its beauty, permanence, and availability.
世界上许多伟大的建筑都是用石头建造的，因为它美观、持久且容易找到。
It had long been thought that hummingbirds, which forage by day, pollinate its red flowers and that hawkmoths, which forage at night, pollinate its white flowers.
长期以来，人们一直认为，白天觅食的蜂鸟会给它的红色花朵授粉，而晚上觅食的鹰蛾会给它的白色花朵授粉。
A New Jersey black bear that walks upright on its two back legs and has become a social media darling has re-emerged and has been captured on video months after its last sighting.
一头用两条后腿直立行走的新泽西州的黑熊已经成为社交媒体的宠儿，距离上次被目击的几个月后，它再次出现并被拍了视频。
In the past, the region had been protected by its forbidding geography and the extremities of its climate.
过去，这个地区受到令人生畏的地理条件和极端的天气状况的保护。
Although the remarkable antiquity of Australia's rock art is now established, the sequences and meanings of its images have been widely debated.
虽然澳大利亚的岩石艺术非凡的古迹现在已经得到承认，它图像的顺序和意义一直被广泛地讨论。
As the century turns, migration, with its inevitable economic and political turmoil, has been called "one of the greatest challenges of the coming century".
随着世纪交替，移民及其不可避免的经济和政治动荡被称为“下个世纪最大的挑战之一”。
The Chinese course has been taught at this Italian school for 5 years, and 145 of its 910 students have chosen to study Chinese.
这所意大利学校开设汉语课程已有5年，910名学生中有145名选择学习汉语。
For as long as anyone can remember, Piedmont's character has been completely bound up with the Westvaco paper mill: its prosperous past and doubtful future.
因为只要有人还能记得，皮埃蒙特的特性就一直与维实伟克造纸厂完全绑定在一起：它繁荣的过去和不确定的未来。
Many people have been fascinated about Venus for centuries because of its thick cloud cover—a so-called planet of mystery and all of that.
数世纪以来，许多人都对金星着迷，因为它有厚厚的云层覆盖——一颗所谓的神秘星球。
It has long been known that the human skeleton constantly constructs and destroys cells, according to the stresses that its bones experience.
长久以来，人类骨骼被认为是依照其骨质经受的压力来不断构建和消灭细胞。
Whatever may have been the moment and the circumstances of its appearance in the scale of animal life, language could only have been born in one fell swoop.
不论是在动物的历史中何种时候何种环境，语言只可能是一刹那间诞生。
A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
一个世纪前，亨利·卡文迪什注意到当空气中的氧气和氮气被除去，还有其他剩余气体存在，但人们还没有认识到它们的重要性。
Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Walmart, do not have their own recycling programs.
以百思买为例，它一直承担着电子垃圾的最大份额，因为其两个最大的竞争对手亚马逊和沃尔玛没有它们自己的回收计划。
Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Wal mart, do not have their own recycling programs.
以百思买为例，由于其最大的两个竞争对手亚马逊和沃尔玛没有自己的回收项目，百思买一直承担着最大份额的电子垃圾量。
With research results showing the cumulative effects of sleep loss and its impact on productivity, doubt has been voiced about the accuracy of Steel's self-assessment.
随着研究结果显示睡眠不足的累积效应及其对生产力的影响，人们对斯蒂尔自我评估的准确性提出了质疑。
When one ant bumps into another, it sniffs with its antennae to find out if the other belongs to the same nest and where it has been working.
当一只蚂蚁撞击到另一只蚂蚁时，它会用它的触角去用力地嗅一嗅，以确定这只蚂蚁是否是同一个蚁巢的，与它一直在哪里觅食。
Russian and American spacecraft also found hints that its ancient climate might have been wetter, cooler, and possibly even friendly to life.
俄罗斯和美国的宇宙飞船还发现了一些迹象，表明火星古代的气候可能更湿润、更凉爽，甚至可能更适合生命生存。
Mercedes is not new to making small cars, but its efforts have been crippled by productions that are sub-scale and over-engineered.
梅赛德斯在制造小型汽车方面并不是新手，但是由于产销规模小以及过度设计，开发能力受到削弱。
Over the past few months, it has been working hard, with the help of media consultants, to play down its cosy reputation in favour of something more academic and serious.
在过去的几个月里，在媒体顾问的帮助下，它一直在努力工作，以淡化其轻松愉快的印象，打造更学术化、更严肃的形象。
When a banded bird is recaptured and reported, we learn about its migration route, its growth, and how long it has been alive, its lifespan.
当一只被戴了标记环的鸟被重新捕获时，我们就能从报告中了解其迁徙路线、生长情况以及存活时间、寿命。
Some two hundred eruptions have been recorded down through the centuries, but compared with other volcanoes, most of its eruptions have so far been fairly light in terms of death and destruction.
几个世纪以来，这座火山约有200次爆发的记录，但与其他火山相比，这座火山的爆发程度迄今为止都相当轻，造成的死亡和破坏较少。
Bracken fern has been spreading from its woodland strongholds for centuries, but the rate of encroachment into open countryside has lately increased alarmingly throughout northern and western Britain.
蕨类植物已经从它的林地据点向外蔓延了几个世纪，但是最近在整个英国北部和西部，蕨类植物侵入开阔乡村的速度却惊人地增长。
Fortunately, all the blueprints for both the building and its contents have been preserved, so we've been able to replace badly damaged furniture.
幸运的是，建筑和里面的东西的所有设计图纸都被保存了下来，所以我们能够更换损坏严重的家具。
For Western designers, China and its rich culture have long been an inspiration for Western creative.
对西方设计师而言，中国及其丰富的文化一直是西方创意的灵感来源。
For Western designers, China and its rich culture have long been an inspiration for Western creativity.
对于西方设计师来说，中国及其丰富的文化一直是西方创意的灵感来源。
Military presence and its impact on Japanese residents have been a thorny issue over the years.
多年来，军事存在及其对日本居民的影响一直是一个棘手的问题。
The copper antennae have been looted, and only a giant satellite dish betrays its past.
铜质的天线被抢劫一空，只有一个巨大的卫星接收器泄露了它的过去。
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