您要查找的是不是：
- 降C大调。 C flat major.
- 降C调 C flat
- 降C调。 C flat.
- 降C小调。 C flat minor.
- D音，D调C大调音阶的第二个音或C小调音阶中的第四个音 The second tone in the scale of C major or the fourth tone in the relative minor scale.
- 降 to drop
- 从C大调转入到A小调 to modulate from C major to A minor
- 大调 major
- 降序 descending order
- C大调音阶 the scale of C major
- c语言
- 降噪 denoise
- 降下 lower
- 降至 reduce ... to ...
- 维生素C vitamin(e) C
- C调主音C大调音阶中的第一个音或C小调音阶中的第三个音 The first tone in the scale of C major or the third tone in the relative minor scale.
- 压降 voltage drop
- 降到 drop to
- C语言程序设计 Programming in C
- 降薪 cuts in salaries
