The copying machine is very simple to maintain.

这复印机保养起来很简便。

youdao

The copying machine is named after its inventor.

这台复印机是以其发明者的名字命名的。

youdao

I was just noticing... I don't think you're using the copying machine quite right.

我才注意到…我想你这样用复印机不太对。

youdao

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

耶鲁公开课 - 生物医学工程探索课程节选

Then in 1779 he invented the first copying machine.

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