a muscular body的用法和样例：
- Though John has a muscular body and a fierce look, he is a man who wouldn't hurt a fly.
- Though Mark has a muscular body, he wouldn't hurt a fly. Eg. What? She slapped your face. She looks as if she wouldn't hurt a fly.
- He developed a muscular body.
- He had a compact and muscular body.
- The heart act as a muscular pump.
- In the lizard, a muscular septum partially divides the ventricle.