形容词
中文翻译：忧郁的
同义词：
['gloomy', 'melancholic', 'despondent']
例句：
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1. His eyes were filled with a deep sense of sadness.
他的眼睛充满了深深的悲伤。
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2. The rainy weather made everyone feel downcast and depressed.
阴雨天气让每个人都感到沮丧和抑郁。
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3. She was deeply immersed in her work, feeling completely absorbed.
她深深地沉浸在工作中，感觉完全被吸收了。