For the finale, he creates a rainbow by shining a bright light into a glass sphere containing a single drop of water.
最后,他用亮光照射一个玻璃球,里面只有一滴水珠。彩虹出现了。
That will tell you, say that you drop some ink into a glass of water.
把墨水滴到一杯水中。
That will tell you, say that you drop some ink into a glass of water.
把墨水滴到一杯水中。
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