他们在过去的10年间通过循环流通一本叫旅行日志的书保持紧密联系。
They have stayed close for the past 10 years by circulating a book called a traveling journal.
接着，冷却后的锂又循环流通回反应堆，那么整个循环就又重新开始了。
The cooled lithium then circulates back to the reactor where the whole cycle starts over.
在海(风)和后院之间，码头实现了循环流通，它受风(室外庇护所)的保护，并配有一个室外火灾坑区。
The dock like circulation achieves the travel between the sea (wind) and the backyard, which is protected from the wind (outdoor shelter), allowing to have a fire pit area outside.
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