名词
中文翻译：Unknown
同义词：
['happy', 'cheerful', 'content', 'joyful']
例句：
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1. She was in a soporose state after her long flight.
长途飞行后，她心情愉快。
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2. The teacher's words made the students feel happy and cheerful.
老师的话让学生们感到高兴和快乐。
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3. He felt content with his new job, which brought him joyful moments every day.
他对新工作感到满意，每天都能带来快乐的时刻。