Eng

Hertzsprung-Russell...

羅素圖

Hertzsprung-Russell Diagram

赫茲斯普朗格羅素圖

Hertzsprung-Russell Diagram

Hertzsprung-Russell

initial Shapes final Shapes phone Shapes phone inits phone finals English cats

English-中文

initial Shapes final Shapes phone Shapes phone inits phone finals English cats

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