rùn​huá

to lubricate

润滑 潤滑 rùn​huá
to lubricate noun
to apply oil, grease, or other substances to surfaces in contact to reduce friction and wear
smooth
oily; sleek; moist and smooth to the touch

Frequency

Movie subtitles
0.920 per million appears in 0% of films
Written text
2.70 per million

Sources