whitening 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。 - Research progress in the preparation of bis-triazinylamino-stilbene derivative liquid fluorescent whitening agents is reviewed.
綜述了雙三嗪二苯乙烯型液體熒光增白劑製備的研究進展。
