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。

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。

Diabetes is caused by a group of metabolic disorders in which there are high blood sugar levels over a long period of time.

糖尿病是由一组代谢紊乱引起的，代谢紊乱后，血糖水平长期偏高。

This crisis might last for a long period of time.

此次危机可能会持续很长一段时间。

She died after a long period of increasing frailty.

她日益虚弱，经过一段长时间后去世了。

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。

She returned to work after a long period of incapacity.

她病了很长一段时间之后回去工作了。

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。

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。

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。”

Oil or vinegar based salad can be stored for a long period of time without refrigeration.

含油或醋的沙拉可以储存很长一段时间，而且不需要冷藏。

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。

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。

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。

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。

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 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 result of this experiment was not noticeable for a long period.

这个实验结果长期不显著。

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。

A seemingly long period of time.

一段似乎很长的时间。

Is the memory usage sustainable over a long period?

内存使用情况是否能长期维持？

There is a long period when we have no news of Shiquan.

石泉这么长时间没有消息，他追求你也是很正常的嘛！

And share prices did indeed suffer a long period of decline.

而之后的股价确实经历了一轮长期的下跌。

A long period of low rates has profound consequences for savers.

长期的低利率对储蓄者具有深远的影响。

After a long period of isolation I felt like it was my city.

在长时间的孤立后我觉得这是我的城市。

The world is emerging from a long period of financial speculation.

经过长期的金融投机，这世界现在好像大梦初醒。

Ever leave an expense report undone for a long period of time?

有没有长时间的搁置一份费用报表呢？