The maximum value of a float is about 3.4*1038, which isn't large enough for some things you might wish to represent, such as the number of electrons in the universe.

float的最大值约为 3.4*1038。 这个值还不足以表示某些东西，比如宇宙中的电子数目。

youdao

I'm sorry some people can not tell some of the things that make them float in the river of youth go.

对不起一些人，说不清的一些东西，让它们在青春的河流上飘走吧。

youdao

Well basically what we're doing is we're giving ourselves the ability to create data types the same way that we have some built-ins, so we have things like int, float, string, these are built-in data types.

就是要赋值我们自己创建,和内置的数据类型,相同的数据类型的能力,我们有一些内置的数据类型，如int，float，string等，如果你考虑下这些数据类型。

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