C key harp will be the best choice for beginners, for many lessons take the key for example. Also the lessons here do.

调口琴应该是初学的最佳之选择，因为许多教程就是以C调为例的，咱们这个教程就是C调的。

youdao

Ask for the scale arrangemnt on the fourth position of the C key harmonica. It is better to note the overblow notes. Thanks.

请问谁有C调第四把位的音阶图，最好是图片，标注了超吹的，谢谢。

youdao

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》

Let's say we're in the key of C here.

让我们看看C调的情况

耶鲁公开课 - 聆听音乐课程节选

We've got some chords set out and we're going to-- we've got some chords set out here and we're in the key of C at this point, and we're going to hear Beethoven go to a tonic chord, then a sub-dominant chord, then a tonic chord, then a dominant chord and so on.

我们看到有一些和弦-,而我们现在在C调的位置上，然后听贝多芬的主音和弦，然后是次属音和弦，然后是主音和弦，接着是属音和弦，如此往复。

耶鲁公开课 - 聆听音乐课程节选

This is Maya (Jessica Chastain), who becomes the key C.

NEWYORKER: Dead Reckoning

Two weeks after the highs (line 1), the RSI dropped below key support at line C.

FORBES: Accurately Analyzing RSI Divergences

There is key resistance at line c and then at the downtrend, line b.

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