v turn yellow
s changed to a yellowish color by age
v. （使某物）变黄或发黄( yellow的过去式和过去分词 )
1. The old book had yellowed pages from years of sunlight.
这本旧书的页面因多年日晒而发黄。
2. After being left outside, the white shirt yellowed and looked worn out.
白衬衫被放在外面后发黄，看起来很旧。
3. The photographs yellowed over time, making them look nostalgic.
照片随着时间的推移而发黄，让人感到怀旧。