diaper
🇺🇸
/ˈdaɪpər/
🇬🇧
/ˈdaɪpə(r)/
A soft, thick cloth or other material that is wrapped around a baby's lower body to absorb and contain their pee and poop.
The baby smiled happily, unaware that her diaper needed to be changed.
赤ちゃんは幸せに微笑んでいたが、おむつを変える必要があるとは知らなかった。