He began to pace up and down in the room.
他开始在屋里踱来踱去。
Why should one pace up and down in spring?
何必在春天里徘徊？
His uncle began to pace up and down, Aunt Petunia and Dudley following his movements with anxious expressions.
姨父开始在房间里踱来踱去，佩妮姨妈和达力用目光追随着姨父，一副忧心忡忡的样子。
Uncle Vernon said nothing, but continued to pace up and down. Outside the sun hung low over the privet hedges. The next-door neighbor's lawn mower stalled again.
弗农姨父没说话，继续踱来踱去。外面，太阳低低地悬在女贞树篱上。隔壁邻居家的割草机又熄火了。
My pace will be the same-hiking up mountains and running down them, when I can.
我的步伐将和上次相同——爬上那些山再跑下来——只要我还能前进。
There's something about seeing what you've done, how your pace changes as you go up and down hills, that made me more motivated.
这就是看到你所做的，当你在小山上跑上跑下时，你的步速怎样变化，这令我更有动力。
Run up at a constant pace for up to 45 seconds, then jog back down and repeat four more times.
跑上山时的步子要保持不变，大约在45秒钟以上，然后再慢跑下山，这样重复跑四次以上。
Q. What is the verdict on where the car performance is, because the pace in the Nurburgring seemed a bit up and down?
对于赛车表现方面的问题有结果了么？因为之前的纽博格林站，你们的赛车好像时好时坏。
Walk up and down the aisle, or just pace in place.
上下过道步行，或者原地慢走。
They'll be able to listen to your breathing and guide you to either speed up or slow down, helping you zone in on the correct threshold pace for your current fitness.
根据你的呼吸频率，他们将指导你加速或减速，从而帮助你在当前身体状况下，找到适合你的门槛速度。
They'll be able to listen to your breathing and guide you to either speed up or slow down, helping you zone in on the correct threshold pace for your current fitness.
根据你的呼吸频率，他们将指导你加速或减速，从而帮助你在当前身体状况下，找到适合你的门槛速度。
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