muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change) 同义词：isometric exercise,
例句与用法
1.
Ever try isometrics 试过肌肉均衡体操吗
2.
Expertise in making checking approving piping drawings like isometrics layouts support drawings etc 具有制作审查和批准管道制图的专业知识如等距图规划图和附图等
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