Whereas purposeful men could make their way across a narrow bridge, the slow diffusion of plant and animals would require an avenue as a continent and available for ages at a stretch.
有目的的人可以通过一座狭窄的桥，而植物和动物的缓慢扩散则需要一条像大陆一样的道路，而且需要很长时间才能使用。
We pulled up at a canvas tent out on the ice that seemed to stretch to eternity.
我们在冰面上的一座帆布帐篷前停了车，在我们面前冰雪似乎一直延伸到无穷远的地方。
Simple Art - Take a pegboard and stretch different color rubber bands in various shapes until every peg has been used at least once.
简单的艺术-用一个小钉板，画出不同形状不同颜色的橡皮筋，直到所有挂钉都至少被用过一次。
A black stretch limousine was waiting for him at the capital's Reagan National airport, something he seldom rode in during the long election campaign, not wanting to be seen as presumptive.
一辆黑色的加长豪华轿车正在首都的里根国际机场等着他，这种车他在漫长的选战中很少乘坐，因为他不希望显出一种胜券在握的样子。
Cars lay blackened and crumpled for at least 400 metres along a long stretch of road running north from the Green zone. Barely a house within the blast zone was left with a window unbroken.
从绿区往北延伸的公路上，被熏黑和揉皱的汽车搁置在至少400米长的马路旁，爆炸区域里没有哪户人家的窗子是完好无损的。
For ten weeks, nine hours at a stretch, he carefully wrote his message with a black felt-tip marker.
花费了整整十个星期，每天九个小时，他用黑色毡尖笔小心翼翼地写下了他的留言。
He recommends the wall stretch (see the illustration at top-right, and instructions here), which is best done after a gentle warm-up of brisk walking or jogging.
他建议对墙进行(见右上图及说明)，最好在做完疾跑或慢跑等温和性的热身之后再进行。
Don't wear socks for over 7 HRS at a stretch, to avoid infections.
为了避免感染，不要一次连续穿超过7小时的袜子。
One group walked around a track three times a week, building up to 40 minutes at a stretch; the other did a variety of less aerobic exercises, including yoga and resistance training with bands.
第一组人员每周绕一条跑道走三圈，每次持续40分钟的时间；第二组人员从事一系列少氧锻炼，包括瑜伽和阻力带训练。
If you don't exercise regularly, you might want to stretch at least three times a week to maintain flexibility.
如果没有定期锻炼，那么你可能需要每周至少伸展三次来保持柔韧性。
I guess when you haven't slept longer than an hour and a half at a stretch for two weeks straight, you get on each other's nerves.
我想如果一连两个星期每天睡眠都不足一个半小时的话，两个人的情绪就都会变得非常急躁。
After rebounding from recession in late 2001 and early 2002, the economy had a 12-month stretch in which it grew at a paltry 1.5% annual rate, sparking fears of a double-dip recession.
在2001年底和2002年初从衰退中反弹之后，经济有长达12个月的时间年增幅只有可怜的1.5%，人们不禁担心会出现二次探底。
Gravity would then tug at the neck, causing it to stretch out until the object becomes a set of spherical black holes connected by a filament of black string.
引力就会拖住它的颈部，使其伸展，直到这个对象变成由黑弦丝连接起来的一串球形黑洞。
He thrived on conflict and sarcasm; he and Allen would argue for hours at a stretch.
他挑起争端，讽刺挖苦；和艾伦连续争吵过几个小时。
Previous adaps stretch right back to 1911, and there’s been a fresh stab at the material on the screen just about every decade since.
先前的改编要追溯到1911年了，而电影材料的革新却是每十年就有一次的。
It's cut short and has stirrups that loop over the feet, creating a stretch that stresses the legs and pulls slightly at the shoulders.
这是种剪短设计，有一个马镫形支架包裹着脚部，并延伸至肩部拉紧。
Bend forward slightly at the hip, keeping your back straight, until you feel a slight stretch in your hamstrings.
保持背部平直慢慢俯身，直到感觉腿筋拉紧。
Many of the specimens were found at one location, lying on the surface of a remote stretch of dunes, which in prehistoric times, had been covered by lush plains and broad rivers.
许多物种在这一片区域被发现，都躺在一处遥远的沙丘延伸处。
The original idea was that people should enjoy a bit of a rest after a life at work, but nobody imagined that the rest would stretch to almost a quarter-century.
最初的想法是人们在工作了一辈子之后应该享受一些休闲时光，但是没人想象的到这一些休闲时光几乎长达25年。
But after using the program, she began to sleep for at least one four-hour stretch a night.
但是在使用这个项目之后，她开始一晚至少能睡上一个连续的4小时。
The Trotters aim to stretch their unbeaten run to five matches in a local Derby at the DW Stadium.
快马的目标是延续他们在DW球场的地方德比战中5场不败的纪录。
We knew it was unusual for not-quite-three-year-olds to know so much about astronomy, to possess such an advanced vocabulary, to spend hours at a stretch spinning the lids of Tupperware containers.
他们知道很多天文学知识，并且拥有如此高级的词汇，连续不断的几个小时旋转特百惠容器的盖子，我们知道这些对一个不足三岁的小孩来说是不正常的。
The huge movement of sub-sea earth at 2.46pm on Friday led to a quake at three different epicentres, along a 500km stretch of sea.
海底板块的剧烈移动引发了地震，形成了三个不同的震央，随后沿着海底延伸了500公里。
On a couple of occasions, Mr.Brick lived at Don's house for an extended stretch.
好几次，布瑞克先生都一再延长住在唐家的时间。
The Global Hawk, with a 115-foot wingspan, is capable of conducting surveillance for 36 hours at a stretch at altitudes of up to 60,000 feet (18 kilometers).
拥有115英寸长翼展的全球鹰能够在六万英尺的高空(也就是距离地面18公里)连续执行36小时侦察行动。
The Global Hawk, with a 115-foot wingspan, is capable of conducting surveillance for 36 hours at a stretch at altitudes of up to 60,000 feet (18 kilometers).
拥有115英寸长翼展的全球鹰能够在六万英尺的高空(也就是距离地面18公里)连续执行36小时侦察行动。
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