# His eyes are like doves

"His eyes are gentle like doves" or the woman is speaking of the man's white eyeballs or the shape of his eyes, the shape of a dove.

# doves beside streams of water

Birds that the Israelites considered gentle sitting beside a gently flowing stream.

# streams of water

"gently flowing water"

# bathed in milk

"doves that are white like milk" or "his pupils are like doves bathing in white milk"

# mounted like jewels

His eyes are beautiful. Jewels that a craftsman has carefully put in place are beautiful.