upper back muscles 背部上侧肌肉
Back-muscles Exercises 坐式腰背强壮功
training back muscles 腰背肌功能锻炼
Strengthens back muscles 增强后侧肌肉
shoulder and back muscles 背肌肉群
Muscles of the Back 背部肌群
muscles of back [解剖] 背肌
The massage relaxed my tense back muscles.
按摩使得我背部紧张的肌肉松弛下来。
Your massage therapist knows that your back muscles are tighter than the strings on a ukulele; your shrink knows that half your tension comes from stress.
你的按摩师知道你的背部肌肉比女高音尤克里里琴弦还紧;你的心理医生会说你的紧张有一半来自于压力。
That way your back muscles are prepared for the shock of the backward pull.
这样你的背部肌肉就为弓起身子做好了准备。
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