1. The underlined word "remunerated" in the passage means "Many people believe that yellowing and wetness are the greatest enemies of stamps". 文中带下划线的“酬劳”一词的意思是“许多人认为发黄和潮湿是邮票最大的敌人。”
2. The leaves of the trees are yellowing. 树叶在变黄。
3. That's far uglier than a yellowing lawn. 这远比黄色的草坪更难看。
4. Bleach keeps the white clothes from yellowing. 漂白剂防止白衣服变黄。
5. The leaves of the trees are yellowing . 树上的叶子正在变黄。