名词
中文翻译：Unknown
同义词：
['physical work', 'physical exertion']
例句：
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3.例句：1. To achieve our goals, we need to put in a lotof physical effort.
为了实现我们的目标，我们需要付出很多体力。
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2. The athletes put in considerablephysical effort during the competition.
运动员们在比赛中付出了相当大的体力。
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3. It's important to maintaingood physical condition for long-term success.
保持良好的身体状况对于长期成功至关重要。