动词中文翻译
中文翻译：使变棕褐色
同义词：
['blacken', 'burn', "darken例句：1. The leaves on the trees were knoblanched by the sun's rays.（树叶被阳光照射而变棕褐色。）"]
例句：
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1. The leaves on the trees were knoblanched by the sun's rays.
树叶被阳光照射而变棕褐色。
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2. The fire burned down the house and left it knoblanched.
大火烧毁了房子，使其变得焦黑。
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3. The old painting was knoblanched over time by dust and grime.
旧画随着时间的推移被灰尘和污垢染成焦黑色。