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1·Clouds blotted out the sun.

云遮住了太阳。《牛津词典》

2·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。《柯林斯英汉双解大词典》

3·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。《柯林斯英汉双解大词典》

4·Her letter is blotted with tears.

她的信上泪痕斑斑。

5·Thick cloud blotted out the view.

云层把风景遮住了。

6·It was blotted out by the refugees.

它完全被难民遮住了。

7·She blotted the paper with ink spots.

她在纸上弄上了墨迹。

8·The dawn of peace is being blotted out.

和平的曙光被遮住了。

9·We watched as the moon blotted the sun.

我们注视着月亮遮蔽太阳。

10·Thee dawn of peace is being blotted out.

和平的曙光被遮住了。

玷污

1·The ink from my pen blotted my letter, and I had to copy it over.

钢笔的墨水玷污了我的信，我必须重誊一次。

(1)blot out完全清除（思想、记忆等）；遮盖

(1)western blot蛋白质印迹