Bernal of the University of London, who packed hard spheres into a rubber vessel in such a way as to obtain the maximum possible density.
伦敦大学的伯纳尔教授把硬球体装入橡胶容器中，以获得可能的最大密度。
The school uniform is very important because it always reminds me that I am supposed to go out of my way to study hard.
校服很重要，因为它总是提醒我，我应该努力学习。
It might also be hard for airlines to co-ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.
航空公司可能也很难协调客机的起飞时间和目的地，使它们能够从编队飞行中获益。
About 8% said they used the Internet as a way to escape problems, and almost 14% reported they found it hard to stay away from the Internet for several days at a time.
大约8%的人说他们把互联网作为逃避问题的一种方式，近14%的人说发现他们很难一次离开互联网好几天。
About 8% said they used the Internet as a way to escape problems, and almost 14% reported they "found it hard to stay away from the Internet for several days at a time.
大约8%的人说他们用互联网作为逃避问题的一种方式，几乎14%的人说发现他们“很难一次离开互联网好几天”。
He learned this lesson the hard way – from his own personal experience.
他惨痛地得到了这一教训–从他自己的亲身经历中得来的。
The only way to improve is through hard work and dogged perseverance.
要更上一层楼，唯一的途径就是艰苦奋斗，不屈不挠。
She won't listen to my advice so she'll just have to learn the hard way.
她不肯听我的忠告，所以只好吃了苦头才知道厉害。
Everything he achieved in life was earned the hard way and his success in the literary field was no exception.
他在生活中所取得的一切都是来之不易的，其在文学领域的成功也不例外。
The modern image is that dreams are the brain's way of cleaning up the computer's hard disk.
现代的看法是，梦是大脑清理电脑硬盘的一种方式。
One day, wind blew hard and trees shook from side to side in the wind on her way home after school.
一天，在她放学回家的路上，风刮得很大，树在风中摇摆。
I had to find a way to grind the corn into flour, but the rocks on the island were not hard enough.
我必须想办法把玉米磨成面粉，但岛上的岩石不够坚硬。
Some green marketers learned the hard way, green marketing must still involve all the same principles of a traditional marketing campaign.
一些绿色营销人员吸取了惨痛的教训，绿色营销仍然必须包含所有与传统营销活动相同的原则。
If you hit it really hard and a long way, it goes over the boundary.
如果你真的击得很重，打得很远，它就会过界。
Smith finds it hard to clear up the mess, as her children are always in the way whenever she tries to.
史密斯发现很难收拾残局，因为每当她想收拾时，孩子们总是碍手碍脚。
When I pulled hard, my nose got in the way.
当我用力拉的时候，我的鼻子挡住了。
The writer talks about his hard life as a blind person, and describes the challenges on his way to success.
作者讲述了他作为一个盲人的艰难生活，并描述了他在成功之路上的挑战。
Exercising can be hard but RunKeeper will help you every step of the way.
锻炼可能很难，但运动日志会帮助你做到每一步。
On our way to the house, it was raining so hard that we couldn't help wondering how long it would take to get there.
在我们去那座房子的路上，雨下得如此大以至于我们不禁想还要多久才能到达那里。
Too bad I had to learn that the hard way.
而我是通过最难的方法来懂得这一点。
Sending a SOAP request: the hard way and the easy way.
发送SOAP请求：复杂的方法和简单的方法。
I learned this the hard way through this experience.
这是我从这次经历中学到的惨痛教训。
Hard graft is the only way to succeed in business.
艰苦奋斗是在事业上成功的唯一途径。
I learned my lesson the hard way, when my younger daughter rebelled.
当我最小的女儿开始反叛，我学到的最难的一课。
In the U.S., companies have learned the hard way about the risks of using celebrities to pitch their products.
在美国，公司已尝到走利用名人去大肆宣传他们的产品这条道路的风险。
In the U. s., companies have learned the hard way about the risks of using celebrities to pitch their products.
在美国，公司已尝到走利用名人去大肆宣传他们的产品这条道路的风险。
This is something I had to learn the hard way.
这是我曾经很辛苦才了解到的。
My old horse and I learned this the hard way.
我和我的老马都付出了惨痛的代价才明白这一点。
A Canadian woman reportedly learned her lesson the hard way.
据报道一个加拿大妇女沉痛的吸收了教训。
Ms. Li said she learned the hard way about the school’s strict regimen.
李小姐说，她从亲身经历的教训中认识到了这所学校的严格。
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