You bring iron ore from one part of the planet, carbon, limestone, you put it into this reactor and you ship this all over the world.

你得到钢铁从地球的一个地方，还有碳，石灰岩，将它们放入这个反应器,你将它运送到世界各地。

麻省理工公开课 - 固态化学导论课程节选

You have a molecule where we put the carbon in the center, and we go up like this, like this, and out the back.

你有一个分子,我们把碳放在中间，现在我们得到了。

麻省理工公开课 - 固态化学导论课程节选

So we end up with a formal charge on carbon of negative 1.

因此最终我们得到碳的形式电荷量是负一。

麻省理工公开课 - 化学原理课程节选

If I drew this altogether and this is one particular nucleic acid, now shown in more detail, all of the carbons of the pentose are shown here, the phosphate is shown, and a base is shown.

如果我把这个放在一起,这个核酸分子,让你们看得到更多细节,戊糖的五个碳都在这儿,磷酸基在这儿,碱基在这儿

耶鲁公开课 - 生物医学工程探索课程节选

Burn coal to make it, catalytic decomposition of methane, you get the hydrogen, where does the carbon go?

通过烧煤得到，催化分解甲烷，可以得到氢，碳去哪儿了？

麻省理工公开课 - 固态化学导论课程节选

And if we hybridize these orbitals in carbon, what we end up with is having two hybrid orbitals, and then we're going to be left with two of our p orbitals that are each going to have an electron associated in them.

如果我们杂化碳原子里这些轨道，我们能得到两个杂化轨道，另外剩下两个p轨道,每个里面有一个电子。

麻省理工公开课 - 化学原理课程节选