muscle
US /ˈmʌs.əl/
UK /ˈmʌs.əl/

1.
肌肉
a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
:
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He pulled a muscle in his leg while running.
他跑步时拉伤了腿部肌肉。
•
Regular exercise helps build strong muscles.
经常锻炼有助于锻炼强壮的肌肉。