现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。

So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.

youdao

现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。

So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.

youdao