A real fish can swim up to ten body lengths a second. The robot version clocks just one body length a second.

一条真鱼可以一秒钟游过十个身长的距离，而这种机器人还只能一秒钟游过一个身长。

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The monster begins to draw. He draws a fish. It becomes a real fish! They sit together on the fish and fly up into the sky.

怪兽又开始画，他画了一条鱼，鱼活了。怪兽和兔子一起坐在鱼儿身上，鱼儿带着他们飞上了天。

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The monster begins to draw. He draws a fish. It becomes a real fish! They sit together on the fish and fly up into the sky.

怪兽又开始画，他画了许多红色的花儿，它们都变成了真的花朵。

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The World Bank has a programme in 100 districts using the fish and it will take another five years before the real impact would be known.

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"You don't get your eureka moments sitting in the lab, as much as you do talking to a colleague over coffee, " says Alan Fish, Johns Hopkins's vice president for real estate.

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