If I want a copy of the string, I've got to whip out my week 1 skills of just iterating with a four loop from left to right and make copies of those characters.

我需要那个字符串的一个拷贝，我使用,第一周的技巧，从左到右做四次迭代,然后复制这4个字符。

哈佛公开课 - 计算机科学课程节选

Make a lot of the virus, it has all of its antigenic epitopes on it, but we'll just kill it so that it can't replicate.

先增殖出大量的病毒,病毒表面有特定的抗原决定簇,然后杀死病毒使其无法复制

耶鲁公开课 - 生物医学工程探索课程节选

long l So let me try this, long l, and then let me do a little Copy Paste here and say a long is actually the size of l. So let me quit that program; recompile.

让我们来试一下，然后我在这里复制粘贴一下,这里long的大小实际上是l的大小，所以让我退出,那个程序，重新编译。

哈佛公开课 - 计算机科学课程节选

Take a plasmid, cut it open, insert a gene that we want into the plasmid, and then put that plasmid in a host cell, and let the host replicate it.

取一个质粒,把它切开,把目标基因放进去,然后把这个质粒植入到宿主细胞,让宿主来进行复制

耶鲁公开课 - 生物医学工程探索课程节选

So that is actually making a copy of the address and putting it in s2.

这实际上是复制一个地址,然后放置在s2中。

哈佛公开课 - 计算机科学课程节选

I then store in it A. This makes a copy.

然后把它存储在A中，这就是一个复制。

哈佛公开课 - 计算机科学课程节选

Remember we talked about how DNA replicates itself and that there are enzymes, DNA polymerase that bind to the double stranded DNA, separate it, denature it locally, and then start the process of replication.

请记住DNA复制必须有酶的参与,DNA聚合酶结合在双链DNA上,打开双链并原位变性,然后才开始复制

耶鲁公开课 - 生物医学工程探索课程节选