The Philadelphia exhibition also included Alexander Graham Bell's telephone, Heinz ketchup and the Remington typewriter.

VOA: special.2011.08.01

I should be able to do nice bell-shaped curves, but it's harder than it looks standing up here; so that's your bell-shaped curve.

我还是挺擅长画钟型曲线的,但站着画真的不太容易,这就是钟型曲线

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Based on Henry the 8th's six wives. Henry the 8th? Ring a bell?

关于亨利八世的六个妻子的故事，亨利八世？听起来很熟悉？

正在准备庆典 - SpeakingMax英语口语达人

An unreinforced response is when the bell goes on but there's no food.

非强化反应是有铃声但却没食物的时候。

耶鲁公开课 - 心理学导论课程节选

But it turns out that if you make the voters distributed more realistically, let's say like on a bell-curve shape, it makes actually no difference to the result at all.

但事实上,就算我们让选民分布更符合实际情况,比如说是按钟形分布的,但这实际上对结果没有什么影响

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It's a bell-shaped curve that looks about like that.

大概就是一条这样的钟形曲线

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When the bell comes connected with food, there's a lot of saliva.

当铃声和食物形成了联系，狗会因为铃声的出现而分泌大量唾液。

耶鲁公开课 - 心理学导论课程节选

That's a bell-shaped curve, but it's centered exactly on .2.

这是条钟形曲线,它关于x=0.2对称

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