一位科学家做了很多测试，发现不同颜色在人的脑海里有不同重量。

A scientist did many tests and found that different colors have different weights in a man's mind.

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伽利略从比萨斜塔上扔下不同重量的物体，并计算它们的下落时间。他要实现的不仅是他的勃勃雄心。

Galileo was not merely ambitious when he dropped objects of varying weights from the Leaning Tower at Pisa and timed their fall to the ground.

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他记下了这些箱子的不同重量。

He wrote down the weights of the boxes.

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And inside of each of these cups is a different weight so that in theory all of these cups are different weights.

每个杯子里的东西重量都不同,这样，从理论上看，这些杯子的重量都不同。

哈佛公开课 - 计算机科学课程节选