How to pronounce 風向 in Cantonese (2 out of 4):

原來用來測風向
It's used to measure wind direction.

Cantonese Sentence Breakdown

原來 yun4 loi4
originally
用來 jung6 loi4
to use
cak1
to survey
to measure
to conjecture
to guess
to speculate
風向 fung1 heung3
wind direction