音程 - 3 大三度 major third - 间隔四个半音 - 积极幸福


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To be fleeting notes

Fleeting


To be literature notes (Understanding)

L-Origin

5. 大三度(Major Third)

L-My Words

L-Zotero citation key

https://www.musicca.com/zh/interval-finder



To be permanent notes (Complete Ideas)

P-Self Explained Sentences

P-Connection

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