润滑潤滑

rùn huá

释义

smooth; oily; sleek; to lubricate

在应用里学习 → 按笔顺书写

汉字

润rùnfresh, moist; soft, sleek氵闰滑huáto slip, to slide; slippery, polished氵骨

例句

润滑系统设计得不好。

Rùn huá xì tǒng shè jì dé bù hǎo.

The lubrication system was poorly designed.