How to pronounce 滅絕 in Cantonese (5 out of 7):

係1966年既滅絕天花計劃
It was the 1966 extermination of the galaxy.

Cantonese Sentence Breakdown

hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
nin4
year
gei3
already
滅絕 mit6 zyun2
extinct
天花 tin1 faa1
ceiling (of a room)
計劃 gai3 waak6
plan