Correct

化冻

/ huàdòng / 
Strokes

Definition

to defrost

Example

As a Verb

thaw; melt

1
Zhèlǐ
这里
sān
三
yuèfèn
月份
bīngxuě
冰雪
huàdòng
化冻
  
。

Ice and snow here melt/thaw in March.