There are no sharps or flats in the key of C major.

C大调中没有升半音和降半音。

《牛津词典》

Musical notation was conceived for the C major scale and each line and space represents a note in this scale.

乐谱为C大音阶而构思，在这个音阶中的每一个线和间都代表一个音符。

《柯林斯英汉双解大词典》

Since 2008, the strategic airlift capability has received a major upgrade in the form of the C-17A Globemaster III, which has quickly become a valuable asset.

自2008年以来，战略空运能力由于C - 17 A全球霸王III战斗机获得重大提升，它已经迅速成为最具价值的资产。

youdao

The work is Mozart's Piano Concerto Number 13 in C Major.

VOA: special.2009.06.08

And the last one in the major pattern is a half step from B to C.

大调模式的最后,是一个从B到C的半音级

耶鲁公开课 - 聆听音乐课程节选

One of the pilots in training - identified as Major C to preserve military secrecy - says having the drones in Afghanistan will be invaluable.

VOA: standard.2010.07.27

Notably, the 41 new programs with the C-X75 added in include major new powertrains.

MSN: Jaguar, once nearly extinct, bares claws

The relative performance broke its downtrend, line c, in May signaling the resumption of the major uptrend.

FORBES: Don't Bet Against the Consumer

The volume was strong last summer as the on-balance volume (OBV) broke through major resistance, line c, in July.

FORBES: Don't Bet Against the Consumer