limbering
v.
（做运动）使身体灵活( limber的现在分词 );
（赛前）做准备活动;
把（火炮）系在前车上;
（体育运动、比赛等前）做准备活动;
例句:
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Next door, 200 girls are limbering up for their ballet exams.
隔壁屋里，200名女孩正在为她们的芭蕾考试做热身。
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She ran a little way, limbering up.
她跑了一小段，活动一下身子。
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The candidates are already limbering up for the election campaign.
各候选人已经在为竞选运动热身了.
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A gentle jog or on-the-spot limbering-up.
来自Successful Slimming
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I can already hear the anti-dumbing down brigade limbering up for the charge.
来自BBC