How to pronounce 面部 in Cantonese (3 out of 5):

瞳孔及面部辨別技術
Pupils and facial recognition.

Cantonese Sentence Breakdown

瞳孔 tung4 hung1
pupil
kap6
and
to reach
up to
in time for
extend
come up to
to match
to catch up with
to overtake
面部 min6 bou6
facial
辨別 bin6 bit6
to identify
技術 gei6 seot6
technology