| 单词 | joint mobility |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔isotonic exercise〕Exercise in which isotonic muscular contraction is used to strengthen muscles and improve joint mobility.等张肌肉锻炼：应用同等张力下肌肉收缩的锻炼，用来加强肌肉并提高关节的灵活性美国传统 |
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