| 释义 |
middle C  noun MusicThe C near the middle of the piano keyboard, written on the first leger line below the treble stave or the first leger line above the bass stave.It starts at the very beginning by introducing the treble clef and finding middle C on the keyboard and continues from there....- For example, the A above middle C on the piano is set to the standard value of 440 Hz, so the A an octave above that has a frequency of 880 Hz.
- But when the first ladybug is on treble clef middle C, only an up arrow appears.
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