muscular tone

例句：

1. 1. The athlete's muscular tone is impressive.
   这位运动员的肌肉张力令人印象深刻。
2. 2. The muscles in the arms are tense from lifting heavy weights.
   手臂上的肌肉因为举重而紧绷。
3. 3.The doctor advised him to maintain a good muscular tone for better health.
   医生建议他保持良好的肌肉张力以促进健康。