In the early years of communist rule in China, a sewing machine was one of the so-called big items that indicated a high living standard.

VOA: standard.2009.09.28

Now one of the big advantages of plasmids,I already mentioned, is that you can take this plasmid and a plasmid is one - you can think of it as a highly tuned machine for copying itself.

质粒的一个很大优势,我提到过,是你可以用这个质粒,而质粒是一个--,你可以把质粒想成,一个高度调谐的自我复制的机器

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So one of the things that the Allies very specifically wanted to do in World War II was to hijack one of these devices, take it from a U-boat because if they had this physical machine, certainly can they start decrypting then the German messages.

所以同盟国在二战中想做的一件事,就是劫持其中一个装置，携带在U型潜水艇中，因为如果他们拥有了这种物理装置，他们就可以解码,德国人的密文。

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