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

即使光源比較少
Even if the light source is less.

Cantonese Sentence Breakdown

即使 zik6 si2
even if
光源 gwong1 jyun4
light source
比較 bei2 gaau3
compare
siu3
young
junior
young master
used as part of terms for military ranks