しゃぶる
suck
She's sucking her fingers.
オムツ
diaper
オムツを変える
change the baby's diaper
オムツをする
put a diaper on (a baby)
オシッコする
pee
do a wee
do wee-wee
go wee-wee
She take a pee.
She does a wee.
She does wee-wee.
She goes wee-wee.
ウンチする
do poopoo
go poopy
She does poopoo.
ウンチしたオムツ
poopy diaper
ニヤつく
grin
She grins.
-
She always does poopoo and grins while sucking her fingers soon after that I've changed her diaper.