Correct

溜平

/ liū píng / 
Strokes

Example

As an Adjective

smooth and level

1
Dìbǎn
地板
pū
铺
de
得
liūpíng
溜平
  
。

The floor was laid level and smooth.

2
Càidì
菜地
zhěng
整
de
得
liūpíng
溜平
  
。

The vegetable plots were well-levelled.