whitening agent [纺] 增白剂 ; 美白剂
fluorescent whitening agent 光学增白剂
optical whitening agent 荧光增白剂 ; 光学增白剂 ; 增白剂
Nano-titanium dioxide, which is used as a whitening agent in many food and cosmetic products, has been proven to cause disease in test animals that have been exposed to high doses.
纳米二氧化钛被用作许多食品和化妆品的增白剂，试验已经证明当试验动物暴露在高浓度此种物质的情况下会产生疾病。
Night whitening agent and the enzyme orientation on the tooth die, the die 20 minutes later wearing a tooth can be removed, with 9 consecutive days.
每晚将美白剂和定向酶放在齿模里，戴着齿模20分钟后即可取下，连续使用9天。
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