a powerful body的用法和样例：
- The athlete should have a powerful body.
- There is a powerful body of opinion against the ruling.
- We should make some laws regarding quality,establish criteria for quality inspection and set up a powerful body to ensure that the criteria are strictly adhered to.
- Before, the life and the work difficulty looked so formidable,because at that time you did not have a powerful body, did not have calm and the great mind.
- There was a power cut and all the lights went out.