动词短语
中文翻译：思考
同义词：
['meditate', 'ponder', 'contemplate']
例句：
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1.I need to think and think before making a decision.
在做出决定之前，我需要深思熟虑。
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2. She spent hours thinking and thinking about her future.
她花了很多时间思考她的未来。
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3. The scientist thought and thought about the experiment before starting it.
科学家在开始实验前反复思考了实验。