1. He suffered multiple concussions during his football career.
他在橄榄球生涯中遭受了多次脑震荡。

2. The doctor advised him to rest and avoid any activities that could lead to further concussions.
医生建议他休息，避免任何可能导致进一步脑震荡的活动。

3. Concussions can have serious long-term effects on a person's cognitive function.
脑震荡可能对一个人的认知功能产生严重的长期影响。

4. Proper equipment and technique are important in preventing concussions in contact sports.
在接触性运动中，正确的装备和技术对预防脑震荡至关重要。

5. She was diagnosed with a mild concussion after hitting her head in a car accident.
她在一次车祸中撞到头后被诊断出轻微脑震荡。

6. Athletes should be aware of the symptoms of concussions and seek medical attention if they experience any head injuries.
运动员应该了解脑震荡的症状，并在出现任何头部受伤时寻求医疗帮助。