名词
中文翻译：起跑线
同义词：
['start', 'beginning']
例句：
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1. The race was a longone, and the runners hadto start from a running start.
这场比赛很长，运动员们必须从起跑线上开始。
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2. He decided to take up jogging as a way to start his newexercise routine.
他决定开始新的锻炼计划，于是开始慢跑。
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3. The team started offstrong but then fell behind in the secondhalf of the game.
球队开局不错，但在比赛的下半场落后了。