Clouds blotted out the sun.

云遮住了太阳。

The victim's face was blotted out by a camera blur.

受害者的面部图像被做了模糊处理。

About the time the three climbers were halfway down, clouds blotted out the sun.

当3位登山者下到半山腰的时候，云层遮住了太阳。

Her letter is blotted with tears.

她的信上泪痕斑斑。

Thick cloud blotted out the view.

云层把风景遮住了。