n.打腿练习板

The swim instructor recommended that I use a kickboard to improve my leg strength.
游泳教练建议我使用踢水板来增强腿部力量。
She started her swimming lesson by practicing kicks on the kickboard for 15 minutes.
她从游泳课开始，先在踢水板上练习踢腿15分钟。
He used the kickboard as support while learning how to float without assistance.
他在学习不借助帮助漂浮时，用踢水板作为支撑。
The kickboard helps me maintain proper body position in the water during training.
在训练中，踢水板帮助我保持正确的身体姿势。
During the triathlon, she discarded her kickboard once she was confident in her freestyle technique.
在铁人三项比赛中，一旦她对自己的自由泳技术有信心，就丢掉了踢水板。
The children's swim class was filled with laughter as they kicked their way across the pool using kickboards.
儿童游泳班充满了笑声，孩子们用踢水板在泳池里欢快地踢水前进。
After months of practice, he no longer needed the kickboard and could swim laps effortlessly.
经过几个月的练习，他不再需要踢水板，可以轻松地游几个来回了。
The lifeguard instructed the beginner swimmers to hold onto the kickboard for safety during the deep end session.
救生员告诉初学者，在深水区活动时要抓住踢水板以保证安全。
She incorporated kickboard drills into her workout routine to target her lower back muscles.
她在锻炼常规中加入了踢水板练习，以专门锻炼下背部肌肉。
The swim team coach assigned specific kickboard exercises to each athlete based on their weaknesses.
游泳队教练根据每位运动员的弱点分配了特定的踢水板练习。