As he sang he kept time on a small drum.
他唱歌时和着一面小鼓的节拍。
The Maya kept time with a combination of several cycles that meshed together to mark the movement of the sun, moon and Venus.
玛雅人认为时间是由几个循环组成，结合在一起来标记着太阳、月亮和金星的运动。
Scientists had thought that the circadian clock was driven by gene activity, but both the algae and the red blood cells kept time without it.
科学家认为生物钟是受基因活动影响，但是藻类和红细胞没有基因也同样按照生物钟运行。
Scientists had previously thought the circadian clock was driven by gene activity, but both the algae and the red blood cells kept time without it.
科学家们曾认为昼夜节律的调节是受基因活动支配，但海藻和红细胞中都不含DNA。
If these rules are followed, the National Parks will be well kept and continue to give pleasure to many people for a very long time.
如果人们遵守这些规则，国家公园将得到良好的保护，并在很长一段时间内继续给许多人带来乐趣。
If the young antelope had kept learning carefully all the time, he wouldn't have been caught.
如果小羚羊一直认真学习，就不会被抓住了。
他一直保持领先。
I was caught in a traffic jam for over an hour, otherwise I would have not kept you waiting for such a long time.
我遇上塞车堵了一个多小时，否则我就不会让你等这么长时间。
Oranges can be kept for a long time without getting mouldy.
橙子可以存放很久而不发霉。
Food can be kept for a long time in the north, as it is usually cold and dry there.
在北方，食物可以保存很长时间，因为那里通常寒冷干燥。
One time at a coffee shop, her hand kept closing until it crushed the cup.
有一次在一家咖啡店，她的手不停地握紧杯子，直到把杯子压碎。
It kept him in a cold shiver all the time.
这使他不停地打冷颤。
The station master even kept trains from leaving on time, so Monet could complete a scene even though passengers complained.
车站站长甚至让火车无法准点发车，这样莫奈才能在乘客抱怨的情况下完成一场演出。
Each time I kept him away from us by giving him a sunny smile or a little wave, as if to assure him we were in a good state.
每次让他离开时我都给他一个灿烂的微笑或一个小小的挥手，好像是为了让他相信我们正处于一个很好的状态。
On Lord's Day, all those new saints kept getting up and sharing, and we went way over the scheduled time, just because the overflow was so abundant.
在主日，所有那些新圣徒持续不断地起来分享，我们超过了预定的时间，只是因为容纳不下的人如此之多。
The mechanical clock kept equal hours, and this implied a new time reckoning.
机械钟的时间是一样的，这就意味着要进行新的时间计算。
She kept trying to move, and every time she moved, she slipped a little more.
她一直试着移动，但每动一下，她就向下滑一点。
If I hadn't put you back in that oven for the second time, you wouldn't be kept for very long because the hardness would not have held.
如果我没有再次把你放进烤箱，你也不会被保存很长时间，因为硬度会消失。
A long-time neighbor said they never planted trees and only kept a garden for one year.
一位多年的邻居说，他们从不种树，只打理了一年的花园。
The challenge for local and national governments is to manage tourism so that communities can benefit economically, and yet at the same time, make sure that the tourist areas are kept for all to enjoy.
地方和国家政府面临的挑战是管理旅游业，使社区能够在经济上受益，同时确保所有人都能享受到旅游区。
Volcanic carbon dioxide in Earth's early atmosphere kept Earth warm enough for life to begin during the time when the Sun was too dim to provide much warmth.
地球早期大气中的火山二氧化碳使地球足够温暖，保证生命在太阳过于昏暗而无法提供足够热量的时候能够得以孕育。
For a long time, she kept quiet about what had happened.
很长一段时间，她对所发生的一切都保持沉默。
Milk will go bad if it is kept for a long time, especially if it is not kept cold.
鲜奶在保存了很长一段时间之后就很容易变质，特别是没有在低温下保存的时候。
Using time logs kept by CEOs' personal assistants, and looking across different cultures, the study asks how CEO time use corresponds with a company's performance.
该项目借助CEO的私人助理们保存的时间记录，跨越文化的差异，旨在确定CEO的时间使用与公司业绩之间的关系。
He kept telling voters it was time for a change and he won the election.
他不断地告诉选民，现在是进行改变的时候了。结果他当选了。
They should never be kept too long a time in a sitting, confined, or inactive posture.
他们决不能长时间在狭隘空间保持不动的坐姿。
” he reponded to me kindly and kept a smile all the time.
，他也善意地回应我，一直保持着微笑着。
I saw life that way for a long time and kept getting mediocre results.It's a broken model.
我长时间目睹了这样的生活方式，却也只是持续的得到了一些不起眼的作用效果，这不是一个完整的模型。
I remember I kept waiting for him all the time.
我记得我后来一直在等。
On the assumption that speed is kept constant, distance increases with time.
假如速度不变，则距离随时间增 大。
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