whitening
US /ˈwaɪ.t̬ən.ɪŋ/
UK /ˈwaɪ.tən.ɪŋ/
名词
美白, 变白
the action of making something whiter or becoming whiter
示例:
•
She noticed a gradual whitening of her hair as she aged.
她注意到随着年龄增长，头发逐渐变白。
•
The product promises effective teeth whitening.
该产品承诺有效的牙齿美白。
形容词
美白的, 增白的
having the effect of making something whiter
示例:
•
She bought a new whitening toothpaste.
她买了一支新的美白牙膏。
•
The laundry detergent has a powerful whitening agent.
这种洗衣粉含有强效增白剂。