Running in circles 兜了很多圈子 ; 绕着转圈 ; 走过道道弯路 ; 走过太多的弯路
running in 试运转 ; 试运行 ; 磨合 ; 试转
Cold running-in 冷磨合
Hot running-in 热磨合 ; 热试车
running in period 磨合期 ; 跑合期
Running-in period 走合期 ; 跑合期
As a key link of last process in production, the importance of diesel engine running-in on test bed has been approved owing to vital effect on the safety, reliability and lifetime.
柴油机台架磨合试验是柴油机出厂之前必须进行的重要环节，并直接影响到柴油机能否正常、安全、长期、可靠地运转。
参考来源 - 柴油机台架磨合质量综合评价系统的研究This paper introduced a new device for the seal ring running-in including its form、elements、structure、control mode and related application.
文中介绍了一种全新的密封圈跑合装置的组成、原理、结构、控制方式及应用。
参考来源 - 特种密封圈跑合装置的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
He will be running in the 100 metres tonight.
今晚他将参加100米赛跑。
A monarchist party is running in the forthcoming elections.
一个主张君主政体的政党要参加即将来临的大选。
By the ninth hour the car was running in eighth position.
比赛进行到第9个小时的时候该赛车跑在第8位。
In eighteen ninety-seven,the word came to mean the huge groups of people running or stampeding to Alaska and the Klondike.
VOA: special.2009.02.04
It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.
VOA: special.2011.04.12
There came a sound of running feet in the hall below,then: "Muvver!--it's Muvver come back!"
VOA: special.2010.05.15
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