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，所以年中，白天时长有所变化，夏至时，白天时间最长，而冬至时，白天时间最短。

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

而项目进行过程中，我们确实发现了些深刻问题。

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.

15世纪，图书馆可以是生中辛苦理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.

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。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切都非常非常悲惨——她不仅唱，而且还哭。

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

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.

这些树年里生长值是现两倍。

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

我是说，我们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?

你是否直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.”

“朝着和解而进行谈判已经进入最后阶段，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是控制你呼吸，确保你测试过程呼吸平稳。

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.

然而，这只明星猫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。