形容词
中文翻译：脏的
同义词：
['dirty', 'soiled', 'grimy']
例句：
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1. The rug was so dusty that I had to vacuum it.
这块地毯太脏了，我不得不吸尘。
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2. The old book has been dusty for years and needs to be cleaned.
那本旧书已经积满了灰尘，需要清理。
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3. The windows were dusty when we arrived, but they were quickly cleaned up.
我们到达时窗户很脏，但很快就被清理干净了。