muscle fibers 肌肉纤维 ; 肌纤维
intermediate muscle fibers 中间型肌纤维
red muscle fibers 红肌纤维
white muscle fibers 白肌纤维
smooth muscle fibers 平滑肌纤维
Skeletal muscle fibers 骨骼肌纤维
extrafusal muscle fibers 梭外肌纤维
And they had more of the muscle fibers that boost endurance.
而且他们有更多的能支持耐力的肌肉纤维。
While you're lounging on the beach in Bermuda, your body is repairing muscle fibers, boosting blood volume, and building capillaries to help transport blood more efficiently.
当你在百慕大的沙滩上漫步的时候，你的身体正在修复你的肌肉纤维，增加血液体积，构建运输血液更加有效的微血管。
Running fast while fatigued forces your body to recruit muscle fibers that might otherwise go untrained.
在疲劳状态下快速奔跑会促使你的肌肉纤维得到增强，否则就得不到锻炼。
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