If a = b and b = c it follows that a = c.

设a = b，b = c，则a = c。

《牛津词典》

The different types are designated by the letters A, B and C.

不同的类型分别用字母A、B和C标明。

《牛津词典》

He got a 'C' in Chemistry and a 'B' in English.

他化学考试得中，英语考试得良。

《牛津词典》

Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.

VOA: special.2009.03.05

a You know that what will happen is that heat will flow from a to b from b to c and from a to c. That's common-sense.

你知道会发生的是热量从流向,从流向,以及从流向。

麻省理工公开课 - 热力学与动力学课程节选

I mean if you chose Alpha, you're swinging from A to B-; and from Beta, swinging from B+ to C.

要是你选α,你的分数会在A到B-,选β,分数范围会在B+到C

耶鲁公开课 - 博弈论课程节选

This e-wave should consist of an a-b-c move down.

FORBES: Charts Show Crude Oil Correction Still Has Legs

"Everything is going a little bit better than anticipated, " Laurence Golborne told CNN about the three holes -- dubbed Plan A, Plan B, and Plan C -- being dug in an effort to open a passageway to safety for the men.

CNN: STORY HIGHLIGHTS

Just as a virus that affects humans can mutate and confound medical experts, each version of Sasser -- labeled A, B, C, and D -- poses slightly different challenges for information technology experts.

CNN: Sasser worm rips through Internet