动词短语
中文翻译：进入肌肉状态
同义词：
['engage', 'engage in', 'get into例句：1. Before the race', 'we need to muscle in on the warm-up routine.（比赛前，我们需要加入热身训练。）']
例句：
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1. Before the race, we need to muscle in on the warm-up routine.
比赛前，我们需要加入热身训练。
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2. The athlete is muscle in for a sprint.
运动员正在进入冲刺状态。
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3. After the workout, I muscle in on the stretching routine.
锻炼后，我加入了拉伸训练。