更新时间：2024-04-30 16:05:14
Noun:- 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)
isometrics是什么意思 isometrics在线翻译 isometrics什么意思 isometrics的意思 isometrics的翻译 isometrics的解释 isometrics的发音 isometrics的同义词
