Correct

孵蛋

/ fū dàn / 
Strokes

Definition

to incubate

Example

As a Verb

hatch/incubate eggs; cover

1
20
20
zhī
只
dàn
蛋
fū
孵
chū
出
le
了
18
18
zhī
只
  
。

Eighteen out of twenty eggs were hatched out.