形容词
中文翻译：暗淡的
同义词：
['dull', 'somber', 'bleak']
例句：
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1. The sky was a dullshade of gray.
天空是一片灰蒙蒙的颜色。
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2. The room was dimly lit,giving it a drab appearance.
房间昏暗，给人一种灰暗的感觉。
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3. Theold painting had been keptin a dark corner for years, revealing its true drab color.
那幅旧画被放在一个阴暗的角落里多年，露出了它真正的灰暗色彩。