literary smelling strongly of something'── quoted from http://www.ldoceonline.com/dictionary/redolent
But it may be not commonly used as it is literary.
Not a teacher.
Student or Learner
Some baby drink certain formula milk will have a strong milk smell.
He has a strong smell.
How should I say the baby smell?
Just baby smell if you like it or baby odour if you don't.
not a teacher
Are you suggesting that the baby smells like baby formula/baby milk?
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.