They are known as vitamins A, the B group,C,D,E and K.

VOA: special.2009.04.21

Am I thinking back there, "Well, it starts in C and that's got an E up there and it's got a G"?

我当时是不是在想,这曲子是C调开头的,是在这里升到E调然后到G调吗

耶鲁公开课 - 聆听音乐课程节选

So they began to call this A and this B and this C and this D and this E, this F, this G.

他们开始把这叫做A,B和C,这个是D,E,F,G

耶鲁公开课 - 聆听音乐课程节选

Cappex.com -- c-a-p-p-e-x -- matches students with colleges and universities.

VOA: special.2009.02.26

This is Pieter Claesz, C-L-A-E-S-Z, probably mispronounced.

这是彼得·格莱兹的作品,C-L-A-E-S-Z,我可能发音不准确

耶鲁公开课 - 欧洲文明课程节选