Correct
充填
/ chōngtián /
Strokes
Definition
to fill (gap, hole, area, blank)/to pad out/to complement/(dental) filling/filled
Example
As a Verb
fill (up); stuff (sth with sth)
1
Yòng
用
yǔmáo
羽毛
chōng
充
tián
填
zhěntou
枕头
stuff a pillow with feathers
2
Yòng
用
dàocǎo
稻草
chōngtián
充填
diànzi
垫子
stuff a cushion with straw