whitening
US /ˈwaɪ.t̬ən.ɪŋ/
UK /ˈwaɪ.tən.ɪŋ/
名詞
美白, 變白
the action of making something whiter or becoming whiter
範例:
•
She noticed a gradual whitening of her hair as she aged.
她注意到隨著年齡增長，頭髮逐漸變白。
•
The product promises effective teeth whitening.
該產品承諾有效的牙齒美白。
形容詞
美白的, 增白的
having the effect of making something whiter
範例:
•
She bought a new whitening toothpaste.
她買了一支新的美白牙膏。
•
The laundry detergent has a powerful whitening agent.
這種洗衣粉含有強效增白劑。