/smɪə/
verb
to spread a liquid or a thick substance over a surface:
The children had smeared peanut butter all over the sofa.
Can you explain why the front of your car is smeared with blood?

to spread an oily or soft substance over a surface in a rough or careless way (用油性或稀软物质)胡乱涂抹 SYN daub
~ sth on/over sth
The children had smeared mud on the walls.
那几个孩子往墙上抹了泥巴。
~ sth with sth
The children had smeared the walls with mud.
那几个孩子往墙上抹了泥巴。

noun
an oily or dirty mark 污迹;污渍;污点
a smear of jam
果酱渍