已经变黄了用英语怎么说_英文单词
时间：
"Yellowed" 表示变黄了。来源是因为变黄通常都是黄色的，所以用"yellowed"来形容。
例句：
The pages of this book have yellowed with age. (这本书的页面因为年龄增长而变黄了。)
His teeth have yellowed from smoking. (他的牙齿因为吸烟而变黄了。)
The once white walls have yellowed over time. (曾经白色的墙壁随着时间的推移已经变黄了。)
例句：
The pages of this book have yellowed with age. (这本书的页面因为年龄增长而变黄了。)
His teeth have yellowed from smoking. (他的牙齿因为吸烟而变黄了。)
The once white walls have yellowed over time. (曾经白色的墙壁随着时间的推移已经变黄了。)