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

15日夜刨潤滑嘅圓柱
15 days of a smooth cylinder.

Cantonese Sentence Breakdown

日夜 jat6 je6
day and night
paau4*2
a carpenter's planer
a peeler
a shaver
a sharpener
潤滑 yun6 waat6
Lubrication
koi3
indignant
generous
to sigh (with emotion)
圓柱 yun4 cyu5
cylinder