Discoloration

(noun.) the act of changing the natural color of something by making it duller or dingier or unnatural or faded.

校对:莱利亚

• There is no soot, no smoke nor discoloration. 佚名. 神奇的知识之书.
• Good housekeepers drop small bits of charcoal into vases of flowers to prevent discoloration of the water and the odor of decaying stems. 伯莎M.克拉克. 科学通论.
• Ink spots rubbed with lemon juice and dipped in bleaching solution fade away and leave on the cloth no trace of discoloration. 伯莎M.克拉克. 科学通论.
• The only bad effects will be simply slight discoloration. 威廉K.戴维. 智者、化学家和伟大医生的秘密.

录入:纳丁