对于些相片，杰克说：“在起初的照片中，你可以看到他只是在摆造型，但随着摄影的继续，他开始表现出来。”
In the photos, Jack says, "You can see he is just posing, initially, but as the shoot goes on, he starts to come out."
起初，人们只是在实验室里发现了真空泵，后来人们发现真空这一原则可用于其他地方。
At first, vacuum pumps were found only in laboratories. Then it was found that the principle of the vacuum could be used elsewhere.
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