How to pronounce 下部 in Cantonese (2 out of 3):

就是因為背部的下部
It's because of the lower back.

Cantonese Sentence Breakdown

就是 zau6 si6
(verb) Something is…
因為 jan1 wai6
due to
背部 bui3 bou6
back
dik1
of
~'s (possessive particle)
(used after an attribute)
(used to form a nominal expression)
(used at the end of a declarative sentence for emphasis)
truly
really
indeed
target
to lift up
few
small
to fetch
to move
to get
to pick up
to force
下部 haa6 bou6
Bottom; underneath
fan6
fraction
extent of one's duty or rights
component
content
element
a portion
a share
exceptionally
status
capacity
excessive