whiten
发音
How to pronounce whiten in British English:
英 [ˈwaɪtn]
How to pronounce whiten in American English:
美 ['waɪtn]
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- Verb:
- turn white
单词词源
- whiten (v.)
- c. 1300, "to make white," from white (adj.) + -en (1). Intransitive sense "become white" is from 1630s. Earlier verb was simply white (late Old English). Related: Whitened; whitening; whitener.
反义词
双语例句
- 1. The hydrogen peroxide will naturally help to whiten your teeth .
- 2. To whiten teeth that are stained at a deeper level , talk with your dentist .
- 3. The non-destructive technique used in this study could inform research to preserve and even whiten ancient texts and art .
- 4. The following tutorial ' how to whiten teeth in photoshop ' will help you to achieve this in an easy to understand manner .
- 5. Recently qd vision , a firm based in massachusetts that uses quantum dots to whiten the output of its led lighting units , showed off a prototype quantum-dot display which it claims matched the efficiency and colour levels of an oled screen .