Discolor

(verb.) change color, often in an undesired manner; 'The shirts discolored'.

(verb.) cause to lose or change color; 'The detergent discolored my shirts'.

(verb.) lose color or turn colorless; 'The painting discolored'.

黛西手打

• But the best test of an acid is by sight rather than by taste, because it has been found that an acid is able to discolor a plant substance called litmus. 伯莎M.克拉克. 科学通论.
• Here and there a ball still sticks in a wall, and from it iron tears trickle down and discolor the stone. 马克·吐温. 傻子出国记.
• Bases, like acids, are good or bad according to their use; if they come in contact with cloth, they eat or discolor it, unless neutralized by an acid. 伯莎M.克拉克. 科学通论.

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