肌肉发达

Lifting weights will build arm and shoulder muscles.

举手臂和肩膀的肌肉发达。

He’s big and beefy.

他身材魁梧,肌肉发达。

Arm flat and muscular.Bone substantial but not coarse and muscles hard and devoid of flabbiness.

臂膀平且肌肉发达，骨骼坚实，但不粗，且肌肉坚硬，没有软弱无力的样子。