Wenwen is a timid little boy due to congenital heart disease.

文文是个很腼腆的男孩子，因为自己是个先心病患儿的原因。

youdao

Wenwen is a timid little boy due to congenital heart disease.

文文是个很腼腆的男孩子，因为自己是个先心病患儿的原因。

youdao