☉ 玉润 【yùrùn】
　　[ as pearly as jade ] 像宝玉一样润朗光滑。

☉ 珠圆玉润 【zhūyuányùrùn】
　　[ round as pearls and smooth as jade smooth and sweet smooth and easy ] 如珠之圆，如玉之润。形容文字圆熟或歌喉美妙动听。