They have worked on space gardening for many years.
他们从事太空园艺已有多年。
They have worked with cows since they were children.
他们从小就和牛打交道。
They have worked in Guangzhou for one year.
他们已在广州工作了一年了。
They have worked continuously for five hours.
他们已经连续工作了五个小时。
They have worked out a method of sending a spacecraft to Mars.
他们已经设计出一种向火星发射宇宙飞船的方法。
They have worked out many plans concerning the future of the company.
他们想出了很多关于这个公司未来的计划。
In order to buy a house of their own, they have worked hard and saved every coin.
为了购买一栋属于自己的房子，他们辛勤地劳动，节省每一个铜板。
With the help from other individuals and organisations they have worked hard to protect her.
在其他个人和组织的帮助下，他们已经尽力保护她。
But Dr Glen, a palaeobiologist, and Dr Bennett, a biomechanic, think they have worked out how to do so.
但是古生物学家格棱博士与生物力学家班尼特博士认为，他们已经想出了如何找出答案。
They have worked with great determination to learn the Danish language and get to know Danish traditions.
凭借这极大的决心，他们努力学习丹麦语，了解丹麦传统。
They have worked for a few years as technical specialists and quickly moved into higher management positions.
作为技术专家，他们在工作了几年之后会更快地跳到更高的管理岗位。
They have worked for a few years as technical specialists and quickly moved into higher management positions.
作为技术专家，他们在工作了几年之后会更快地跳到更高的管理岗位。 囐。
Some claim they never knew they were foreclosed on or tell me that they have worked something out with their lender.
有的人声称自己从未接到驱赶令，或者告诉我他们已经和所有者商量好了通融。
For the freshmen, they are so excited about the campus life, for they have worked so hard to realize this dream.
对于新生来说，他们对校园生活感到很兴奋，因为他们努力了那么久，实现了梦想。
They have worked hard and sometimes at the end of friendly matches they have been tired, that is understandable.
他们训练很努力，有时在友谊赛后队员们都很疲惫，但这是可以理解的。
The laid-off workers are provided with necessities of life for a period of time by the companies they have worked with.
下岗工人们的基本生活费用在一段时间内由他们所在的公司提供。
They have worked only with the cells of diseased organs, where genetic changes can't get passed on to future generations.
他们只研究病变器官的细胞，这些细胞的基因改动不会传给下一代。
But these men, Soviet and American, work together well for peace, even as they have worked together in building this Exhibition.
但是这些人，不论是苏联人还是美国，都为了和平而工作在一起，他们甚至合力建造了这座展览馆。
I see so many people work through the week only to spend all weekend in the pub spending the money they have worked so hard for.
我见到如此多的人工作一周，周末就在酒馆花掉了辛苦钱。
Going to the college is the most important thing for the students, because they have worked so many years to realize this dream.
上大学对学生来说是最重要的事情，因为他们努力了那么多年来实现这个梦想。
They have worked so hard to satisfy their meets, but what they want is far out of their reach, so they feel tired and not happy.
他们很努力工作，以此来满足他们的需求，但是他们想要远远未能达到，因此他们感到累和不幸福。
This is deeply distressing, given how hard they have worked throughout their academic lives, but perhaps a valuable strategic ploy.
想到学生们用心刻苦的学术生活的确令人苦恼，但或者这也是一种很有用的战略。
And they speak with pride of the transformation in U.S. - Russian relations during the more than seven years they have worked together.
他们自豪地谈到在过去七年多的时间里他们的共同努力给美俄关系带来的变化。
The idea is that, once they have worked out which odours dogs are detecting and which cancers emit them, a diagnostic machine could be developed.
一旦人们研究出狗闻的气味类型和由哪种癌症发出的，就可以由此发明一种诊断的机器。
The idea is that, once they have worked out which odours dogs are detecting and which cancers emit them, a diagnostic machine could be developed.
一旦人们研究出狗闻的气味类型和由哪种癌症发出的，就可以由此发明一种诊断的机器。
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