Because the Earth's axis is tilted, the length of a day changes during the course of a year, with the longest stretch of daylight in midsummer, and the shortest day falling in midwinter.

因为地轴是倾斜，所以在一年中，白天时有所变化，在夏至时，白天时间，在冬至时，白天时间短。

And during the course of the project, we actually discovered something profound.

在项目进行过程中，我们确实发现了一些深刻问题。

So, in the 15th century a library can be 30 manuscripts painfully put together during the course of a lifetime, or it can be two shelves of paperbacks in your home.

在15世纪，图书馆可以是一生中辛苦整理30份手稿，也可以是家里两架平装书。

During the course of this work, we also became aware that the networks of some political parties - Liberal, Labor and Nationals have also been affected.

在该事件中，我们也发现自由党、工党和国家党等党派网络也受到了影响。

Buy your boots at midday. Feet increase in size during the course of the day, and at midday your foot is about half way between the extremes.

中午时候购买靴子。一天之中脚会逐渐变大，中午时候脚大小刚好处于两个极端中间值。

He stood up during the course of the ballet to see more clearly.

演出芭蕾舞剧时候 他站了起来以便看得更清楚。

She had drunk a quantity of champagne and during the course of her song she had decided ineptly that everything was very very sad—she was not only singing, she was weeping too.

她已经喝了大量香槟，唱歌过程中又不合时宜地认定一切都非常非常悲惨——她不仅在唱，且还在哭。

The oceans already rose by 6 cm during the course of the 19th century.

在整个十九世纪期间，海平面高度已经上升了六厘米。

The trees have been growing twice as much during the course of a year.

这些树在一整年里生值是现在两倍。

I mean, haven't I earned that during the course of our little hoax?

我是说，我们一起参与这场骗局就给了我这种回报？

Do you routinely break the law during the course of your investigations?

你是否一直在调查过程中违反法律？

In fact, sometime during the course of today is really what the Minister...- At once!

事实上，大臣意思其实是在今天之内...... -是，马上！

“It's a fact that the talks towards reconciliation have entered a final stage, and that 60 years of confrontation can end to the delight of man kinds during the course of this year.”

“朝着和解进行谈判已经进入后阶段，这会让经历了60年冲突人感到欣慰。”

One of the ways you can manipulate the machine's results is by controlling your breathing, making sure you have calm breathing during the course of the exam.

操纵检测结果方法之一是控制你呼吸，确保你在测试过程呼吸平稳。

We've heard reports from the Belgium prosecutors today confirmation that during the course of the raids, they found chemicals, they found an explosive device that contains nails among other things.

据布鲁塞尔检察官证实，突袭行动缴获化学品，塞满钉子炸弹等其它物品。

The UN spokesman said the United Nations tried to coordinate with the Israeli army during the course of the day, to negotiate a window for civilians to leave the area.

联合国发言人称联合国当天努力与以色列军队协调，协商让平民离开该地区渠道。

During the course of the next day, April 12, the Nautilus drew near the coast of Dutch Guiana, by the mouth of the Maroni River.

第二天，4月12 日整一天，“鹦鹉螺号”船只向荷兰海岸靠近，接近马罗尼河口。

But the dangers the star feline faces during the course of 84 minutes might be a bit too breathtaking for some children.

然，这只明星猫在84分钟影片中面临危险，对某些孩子来说可能有点过于惊心动魄了。

Analysis of tissue from mice killed during the course of the experiment showed that the drug was having its intended effect.

实验进程中被解剖小白鼠组织分析表明，药物有其定式影响。

Depending on when, during the course of development, the genes are switched on and off, the stripe patterns will form accordingly.

根据发育过程中基因何时开启和关闭，条纹图案将相应形成。中，基因何时开启或关闭，条纹图案就会相应形成。