The job isn't exciting all the time, but it has its moments.
这工作并不总是很带劲，但也有让人兴奋的时候。
Over time, the protein in the eggshell breaks down into its constituent amino acids.
随着时间的推移,蛋壳中的蛋白质分解成其构成成分氨基酸。
The Gutenberg revolution, as we now know it, took a long time; its effects are still being debated.
正如我们现在所知，古腾堡革命花了很长时间；它的影响仍处于争议中。
In any kind of communication, it's always worth taking the time to boil your message down to its essentials.
在任何形式的交流中，花点时间把你的信息进行提炼总是值得的。
You knew when it was "milk time" because you could hear the crate rattling with its load of tiny bottles.
你知道什么时候是“牛奶时间”，因为你能听到板条箱里装着的小瓶子叮当作响。
The company has for some time printed its phone number on its products.
这家公司将其电话号码印在其产品上已有一段时间了。
The Institute spends a lot of time scratching its head about how to boost American productivity.
这家研究所花大量时间绞尽脑汁思考怎样推进美国的生产力。
90 percent of listeners stayed with the programme when it changed its time slot.
在这个节目改变了播放时间段后，90%的听众依然继续收听。
She lay in the deep bath for a long time, enjoying its sensuously perfumed water.
她在装满水的浴缸里躺了很长时间，享受着水的宜人芳香。
The factory closed its doors for the last time in 2002.
这家工厂最后于2002年关闭。
At the time the telecoms bubble was at its height.
当时电信业的泡沫正处于极度膨胀时期。
The dollar fell to within a hair's breadth of its all-time low.
美元汇率小幅下跌，又创新低。
For the time being, however, immunotherapy is still in its experimental stages.
然而，目前免疫疗法还处于试验阶段。
Admittedly, the purposeof this was to protect her against the risk of desertion, but in reality its function in the social and family life of the time was much more important.
诚然，这样做的目的是为了保护她免受被遗弃的危险，但实际上，它在当时的社会和家庭生活中的作用要重要得多。
Admittedly, the purpose of this was to protect her against the risk of desertion, but in reality its function in the social and family life of the time was much more important.
诚然，这样做的目的是为了保护她免受被遗弃的危险，但实际上，它在当时的社会和家庭生活中的作用要重要得多。
The Dingiso, as the creature is also known, is a forest-dwelling marsupial with bold coloration that spends most of its time on the ground.
白腹树袋熊，作为一种已知的生物，是一种生活在森林里的有袋类动物，大部分时间生活在地面上，它的颜色非常鲜艳。
Although it dates from several hundred years after the building of the pyramids, its sophistication suggests that the Egyptians might have been developing ideas of flight for a long time.
尽管它的历史可以追溯到金字塔建造后的几百年，但它的复杂程度表明，埃及人可能很长一段时间以来一直在思考飞行的想法。
He thought that at any time, the butterfly might spread its wings, shrink the body.
他认为，在任何时候，蝴蝶都可能展开翅膀，收缩自己的身体。
At the same time, offering repair supports the perceived quality of its products.
同时，提供维修支持其产品的感知质量。
At the time, it became clear that the newly reunified Berlin would need a modern airport with far greater capacity than its existing airports.
当时，很明显，重新统一后的柏林需要一个比它现有机场容量大得多的现代化机场。
When you have done this, try to organize your life so that the time set aside for learning coincides with the time when your memory is at its best.
当你这样做的时候，试着规划你的生活以便留出学习的时间，这个时候也应是你的记忆最好的时候。
The goal of the project was to boost wheat production in Mexico, which at the time was importing a large portion of its grain.
该项目的目标是提高墨西哥的小麦产量，而当时那里很大一部分粮食都依赖进口。
Consequently, the dominant critical approach becomes that of the art historian, a specialized academic approach devoted to "discovering the meaning" of art within the cultural context of its time.
因此，占主导地位的批判法成为艺术史学家们所使用的方法。这是一种专业性的学术方法，致力于在艺术品所创作时代的文化背景下“发现艺术品的意义”。
To sum up, we should try to bring the advantages of the Internet into full play while reducing its disadvantages to the minimum at the same time.
总之，我们应该尽量充分发挥互联网的优势，同时将其劣势降到最低。
Today's globally networked media and communication system has its origins in the 19th century, when, for the first time, messages were sent electronically across great distances.
现代的全球网络媒体和通信系统起源于19世纪，当时信息第一次以电子方式远距离传送。
Its chances for survival are best if it turns white about the time of the first snowfall.
如果它在第一次降雪时就变成白色，生存几率会是最高的。
One way in particular that we can see the social impact of this instrument is its role in the lives of women of the time.
我们尤其可以从这个工具对当时妇女生活起到的作用中看到它们的社会影响。
In 2015, the US Forest Service for the first time spent more than half of its $5.5 billion annual budget fighting fires—nearly double the percentage it spent on such efforts 20 years ago.
2015年，美国林务局首次使用55亿美元年度预算的一半以上用于灭火——这几乎是20年前火灾支出所占比例的两倍。
McGraw Hill, which controls 21% of the higher education market, reported in March that its digital content sales exceeded print sales for the first time in 2015.
控制着21%高等教育市场的麦格劳·希尔在3月里的报告称，其数字内容销售额在2015年首次超过了纸质。
When Watts looked into the history of "the greatest painting of all time", he discovered that, for most of its life, the "Mona Lisa" remained in relative obscurity.
当瓦茨调查这幅“有史以来最伟大的画作”的历史时，他发现在大部分时间里，《蒙娜丽莎》都处于相对默默无闻的状态。
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