We have been working on this for a long time.
我们在这方面已经做了很久的工作。
I'm very proud of working with him for such a long time.
我很荣幸能和他一起工作这么长时间。
Scientists have been working on this for a long time.
科学家对此进行了长期的研究。
After working on the computer for a long time, do you have a backache?
当您长时间面对电脑伏案工作，受否感到腰酸背痛？
After working for such a long time, he felt as free as the air.
在工作了这么长时间后，他开始感觉自由自在了。
Light handle allowed long time working without fatigue.
轻盈的手柄可长时间操作而不感疲劳。
She's been working here a fairly long time.
她已在这里工作了相当长的时间。
Going back to school after working for a long time has not been easy.
工作一段时间后再回到学校并不是一件简单的事情。
They must have been working for a long time.
他们一定工作了好长时间。
Working long hours being single helps because your time is yours.
争取长时间单身是很好的，因为单身时你的时间就是属于你的。
At the time of this investigation, how long has Will been working at the Sanctuary?
当开始进行这次侦查的时候，威尔已经在庇护所工作多久了？
First, don't keep your eyes working for a long time.
首先，不要让你的眼睛连续工作很长时间。
How long have you been working? In what ways has your process evolved over time?
你工作了多久？你的工作是怎样变化的？
I've been working on this problem for a long time.
我在这个问题上花了好长时间。
Working out in the rain for a long time may bring on a fever.
在雨中事变很长时间大概使人发高烧。
Third, I am not used to working in the same place for a long time.
第三，我从没有在同一个地方上班很长时间。
I was just here for a meeting. You been working here a long time?
我来这里开会的你在这儿工作很久了？
Still remember the pain in the neck after long time working?
还记得长时间工作后脖子的酸痛吗？
The farmer had the tractor working all day long in the fields during the harvest-time .
在收割季节，农夫让拖拉机整天在田里工作不歇。
Running stably and reliably, working life is long, machine can keep working for long time.
机器运行稳定可靠，使用寿命长，可长时间工作。
This research can offer an effective analytical method for long-time working solid rocket motors.
该项研究为长时间工作固体火箭发动机燃烧室热防护层设计提供了有效的分析手段。
First, don't keep your eyes working for a long time.
第一，不要让你的眼睛长时间工作。
I've been working here long enough. Time to get a new job.
我在这里工作时间太长。该换个新工作了。
The energy saving effect is obvious under the attracting working condition in a long time.
长期吸合工作状态下，节能效果明显。
You have been working for such a long time.
你已经工作好长时间了。
The working time is long and the working intensity is high in strawberry production.
草莓生产不仅劳作时间长，而且劳动强度大。
The working personnel affairs, about for a long time, have what good plan.
对此，礼宾司的工作人员议论好久，提不出什么好方案。
The working personnel affairs, about for a long time, have what good plan.
对此，礼宾司的工作人员议论好久，提不出什么好方案。
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