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STEM奇妙科学课

1 Season
52 Episode

STEM奇妙科学课 - Season 1 Episode 9 奔跑的声音


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48 minutes 2025 HD

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什么样的波动叫做“声波”呢?声波不仅能在空气中奔跑,其实它在水里、墙壁里还有坚硬的土地里跑得更快!一起来做个“传话筒”,让声音“跑”起来。

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