translation.en: There's even a software called cadnano that allows us to design three-dimensional shapes like nano robots or drug delivery systems and use DNA to self-assemble those functional structures.
translation.zh: 甚至已经有了一个叫cadnano的软件 我们可以用它来设计各种三維物体。 比如纳米机器人或者药物传输系统， 以及利用DNA自我组装各种功能结构。