名词
中文翻译：思考
同义词：
['contemplation', 'musing', 'rumination']
例句：
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1.She spent hours contemplating her future career.
她花了很多小时思考她的未来职业。
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2.The scientist was lost in deep contemplation.
那位科学家陷入了深深的沉思。
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3.He often ruminated over his past mistakes.
他经常反思自己的过去错误。