单词学习:whiten 动词
whiten
/ˈwaɪt(ə)n/
使变白;漂白;变白
The old photograph had yellowed with age, so Gu Laoshi carefully used a special solution to whiten it again.
这张老照片因年代久远而泛黄,所以顾老师小心翼翼地使用一种特殊溶液让它重新变白。
单词卡片
卡片已就绪