形容词
中文翻译：单调的
同义词：
['dull', 'uninteresting', 'unvaried']
例句：
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1. The music was so monotonous that I couldn't stand it.
音乐太单调了，我受不了。
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2. The scenery in the park was very monotonous, lacking in variety.
公园里的景色非常单调，缺乏变化。
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3. The speaker's monotonous voice made me feel bored.
演讲者单调的声音让我感到无聊。