Cross-linked is not the right word-- that is chemically bonded with repeat units to make large molecules so that when you have a bunch of large molecules together they have certain physical properties like the solid property of the plastic that you're sitting on.

交联这个词不确切,应该是由化学键连接的,重复单位构成大分子,当许多分子聚合在一起后,它们就会具有某种物理特性,就像你们正坐着的,塑料一样,具有固体特性

耶鲁公开课 - 生物医学工程探索课程节选

And we pointed out, however,that one individual has a--the music that has all of these parts on it--and that, of course,is the conductor who has the full conducting score-- the full score--in front of him or her.

我们可以指出，这样的个体，音乐将所有的零碎的部分聚合在了一起，而这样，指挥家拥有整个乐曲的谱子-,就在他或她的面前。

耶鲁公开课 - 聆听音乐课程节选

The reason that 3' is important is that when you polymerize two nucleotides together and a third nucleotide, and a fourth nucleotide, when you polymerize nucleotides together they get polymerized, the phosphate of one gets linked to the 3' carbon of another.

'碳部位重要是因为,当你把两个核苷酸聚合在一起,然后再聚合第三个,第四个的时候,核苷酸在聚合时,磷酸基与另外一个戊糖的3'碳部位连接

耶鲁公开课 - 生物医学工程探索课程节选