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

批咗氨基酸嘅互補作用
The complementary effects of amino acids are grouped.

Cantonese Sentence Breakdown

pai1
to ascertain
to act on
to criticize
to pass on
classifier for batches, lots, military flights
tier (for the ranking of universities and colleges)
to slap
to scrape
wholesale
pie (loanword)
land allocation
to comment
to strike
to hit
to chop
zo2
Cantonese particle equivalent to 了le [了] or 过guò [过], a particle used to indicate perfective aspect for continuous state
completed actions
past events
change of situation
氨基酸 ngon6 gei1 syun1
amino acid
koi3
indignant
generous
to sigh (with emotion)
互補 wu6 bou2
complement each other
作用 zok3 jung6
function