Smoking a lot of cigarettes can harm and even kill over a long period of time.
长期大量吸烟会危害身体健康，甚至导致死亡。
After a long period, alcoholism can deteriorate the liver, the brain and other parts of the body.
长期酗酒会损害肝脏、大脑和身体其他部位。
Trackers, which are ongoing projects that look at trends or customer satisfaction over a long period of time.
一个正在进行的项目——“追踪者”，在研究很长一段时期内的趋势或客户满意度。
The pots were porous so that, although they could carry water in them, it wasn't possible to store it over a long period.
这些罐子有很多孔，因此，虽然它们可以携带水，但不能长期储存水。
But this is the result of dedicated work over a long period, particularly from the officers in charge of community development.
但这是长期努力的结果，尤其要归功于负责社区发展的官员。
There followed a long period of confusion and muddle.
接下来是很长一段时间的困惑和混乱。
Be sure to do some eye exercises to relax your eyes after you study for a long period of time.
在长时间学习后，一定要做眼保健操来放松眼睛。
For a long period of time and in many parts of the country, a traveler was a welcome break in an otherwise dull existence.
很长一段时间，在美国的许多地方，旅行者是一种受欢迎的打破沉闷生活的方式。
In fact, there is another type of friend—one that has not been with us for a long period of time, but fills our mind at some moment.
事实上，还有另一种朋友，他虽然很长一段时间没有和我们在一起，但却会在某个时刻充满我们的心灵。
Occasionally , a sequence of fossil-rich layers of rock permits a comprehensive look at one type of organism over a long period of time.
偶尔，一个富含化石的岩层序列可以让我们持续并全面地观察一种生物。
They had enormous stomach capacity, the ability to digest food over a long period, converting it to energy at a slower pace, saving it for later.
他们有巨大的胃容量，能够在长时间段消化食物，以较慢的速度将食物转化为能量，为以后储存。
In such studies, researchers would need to follow groups of children with and without music lessons over a long period of time—even if the assignments are not completely random.
在此类研究中，研究人员需要在很长一段时间内对上音乐课和未上音乐课的不同小组的儿童进行追踪——即使任务并不是完全随机的。
The manager and the businessman talked for a long period of time, but when he was asked for advice, the businessman stopped for a while and then said, "I have no advice to give."
经理和商人谈了很长一段时间，但当商人被问及建议时，他停顿了一会儿，然后说：“我没有什么建议可以给你。”
The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.
蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。
The bar was formed by the mud and sand deposited here over a long period of time.
河里的泥沙淤积在这里，年深日久便成了沙洲。
It's been a long period of excess, and the hangover could be long, as well.
放纵的时日太久了，后遗症同样也会延续很长时间。
This is the only way to keep that motivation going over a long period of time.
这是唯一能让动机持续相当长一段时间的办法。
After a long period of preparations, it is now the ripe time to sign the plan.
经过长时间准备，现在两国签署纲要的时机已成熟。
Anyone who sits down for a long period of time may be at risk, the researchers say.
研究人员说，所有坐很长时间的人都处于危险之中。
German workers are pushing for higher pay too, after a long period of wage restraint.
在长时间的工资控制之后，德国工人也正在努力要求更高的工资。
His smart lenses are designed to release drugs slowly into the eye over a long period.
他的这种智能眼镜可以使药物在长时间内缓慢地释放到眼睛里。
He had struggled for a long period and still couldn't figure out the method to do that.
他苦思了很长时间并且仍然无法找出方法来测定黄金的重量和密度。
Over a long period of time, though, even a smallish difference in compile times adds up.
但是，时间一久，编译时间上的微小差异也会累积成明显的差异。
Things to note: usually no pay; possibly for a long period; you need to volunteer first.
注意事项：通常没有薪酬，持续时间可能很长，自愿加入。
The United States' current fiscal problems are rooted in a long period of unfunded spending.
美国目前的财政问题根植于长时间的非公开开支。
After a long period, they can actually build mathematical models derived from the accumulated data.
长期以后，他们可以从累积的数据中建立数字模型。
The prospect of high unemployment for a long period of time remains a central concern of policy.
长时间内高失业率的前景将成为政策关注的焦点。
True confidence comes from the gradual accumulation of self-efficacy over a long period of successes.
真正的信心来自于一段长时间成功的“自我感觉良好”的逐步积累。
Yet after a long period of increase, there are tentative signs that Britons are drinking less alcohol.
然而经过一段长时期的增长，似有迹象表明英国人喝酒减少了。
应用推荐