动词短语
中文翻译：投入
同义词：
['work hard', 'put in effort', 'give oneself to']
例句：
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1. He ploughed in his life savings to buy a house.
他投入了他的全部积蓄买了一幢房子。
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2. She has been working hard to improve her English skills.
她一直在努力提高她的英语技能。
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3. The company is putting in great effort to develop new products.
这家公司正在全力开发新产品。