形容词
中文翻译：没有光泽的
同义词：
['dull', 'lackluster', 'dull-looking']
例句：
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1. The paint on the wall is so dull that it barely reflects any light.
墙上的油漆太暗淡了，几乎不反光。
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2. The shoes are dull-looking but comfortable to wear.
这双鞋外观普通但穿着很舒服。
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3. The fabric has a dull-looking texture, but it's soft and warm.
这种布料质地看起来普通，但摸起来柔软且温暖。