形容词
中文翻译：Unknown
同义词：
['sad', 'melancholy']
例句：
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1.She wept all night because she was so sad.
她整晚都在哭泣，因为她非常伤心。
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2. The old man looked very melancholy as he walked away.
老人走远时看起来很忧郁。
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3. His sadness was contagious; everyone around him felt downcast.
他的悲伤感染了周围的人，大家都感到沮丧。