brightening agent的用法和樣例：
例句
- Ultrafine zircon powder with high purity is a kind of brightening agent in glaze for making high-grade cleaning whiteware.
高純超細鋯英石粉是製造高檔衛生潔具陶瓷所用釉料中的乳濁增白劑。 - Experimental results show p-chloro benzalacetone is better than againt benzalacetone in brightening effect and wider range of operating c.d.
選擇對氯苄叉丙酮為主光亮劑，聚氧乙烯酸和特性陰離子型表面活性劑作為光亮劑的載體。
