Correct

焐

/ wù / 
Strokes

Definition

to warm sth up

Example

As a Verb

warm up

1
Yòng
用
rèshuǐdài
热水袋
wù
焐
shǒu
手

warm one's hands with a hot-water bottle

2
Bǎ
把
bèirù
被褥
wù
焐
rè
热

warm up the bedding