卫星的第一道关是需要一条低空运行轨道。
拱手相送看起来很简单，而在现实中，它却是最难恢复的一道关。
Offering something for nothing seems so easy, when in reality it can be one of the hardest things to recover from.
到了第一道关，我说，我家有一个小孩要喝奶，让我出去买点奶粉吧。
At the first one I said that I had a baby at home that needed to be fed and asked to be allowed to buy some milk powder.
唯有认真把好每一道工序、每一个环节质量关，才能保证整个工程的质量。
Only do the serious good job in every process, every aspect of quality, the quality of the whole project can be guaranteed.
产品质量稳定、核心技术领先，严控每一道质量关，售后服务及时快捷。
The leading core technology, stable product quality, strict control of each quality, timely and efficient after sale service.
贝尔德跳过了另一道篱障；现在她们来到了最后也是最难的一关…跳过了！
He is over the other fences and now they are coming to the last and most difficult … over !
贝尔德跳过了另一道篱障；现在她们来到了最后也是最难的一关…跳过了！
He is over the other fences and now they are coming to the last and most difficult … over !
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