形容词
中文翻译：忧郁的
同义词：
['sad', 'disheartened', 'downcast']
例句：
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1. She looked glum as she walked into the room.
她走进房间时看起来很忧郁。
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2. The news of his failure was glum for everyone.
他失败的消息让每个人都感到沮丧。
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3. His gloomy mood made it hard for him to enjoy the sunny day.
他阴沉的心情让他难以享受阳光明媚的日子。