如图所示四个相同的玻璃瓶里都装 有水但水的高度不同用嘴贴着瓶口吹气可以吹出高低不同的音调四个瓶吹出的音调由低到高顺序为 如果用一根 Template




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tomski如图所示四个相同的玻璃瓶里都装 有水但水的高度不同用嘴贴着瓶口吹气可以吹出高低不同的音调四个瓶吹出的音调由低到高顺序为 如果用一根 coloring