他们正在练兵。
做到人人参加练兵，人人受到教育，人人得到提高。
So that everyone participates in training, everyone is educated and improved.
自爸爸出差以来，我一直在秘密练兵， 准备在他回来时给他一个惊喜！
Even since Dad left for the US, I have been practising something new and would like to give him a nice surprise when he is back!
把它作为我打开新职业的试金石和练兵场，我应该从中可以学到很多东西。
I just want to hold the slim hope, but I can't get it. I want to let it go.
在练兵场边上，站著一组组训练有素的带著步话机的担架兵，还停著一排救护车。
On the edge of the field stood a row of ambulances and teams of trained stretcher bearers with walkie-talkies.
你们营一个连接一个连地散开成炮兵队形是我在练兵场上所看到的最精彩的操练了。
The way your battalion shook out into artillery formation, company by company was the most beautiful bit of parade ground drill I've ever seen.
或许这与据传两家俱乐部都忙于转会市场亦或两家都刚刚在海外练兵正酣的事实有所关联吧。
Perhaps this has something to do with both clubs still, reportedly, actively involved in the transfer market or the fact that both have been fine tuning abroad.
这些模型可以作为研究生、相关领域科学家和工程师开展试错检测的“练兵场”，之后再推广功能完善的农场。
These facilities could be the “playground” for graduate students, research scientists and engineers to carry out the necessary trial-and-error tests before a fully functional farm emerged.
这些模型可以作为研究生、相关领域科学家和工程师开展试错检测的“练兵场”，之后再推广功能完善的农场。
These facilities could be the “playground” for graduate students, research scientists and engineers to carry out the necessary trial-and-error tests before a fully functional farm emerged.
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