jiào liàn / xiān / ràng / chū xué zhě / zài / ruǎn diàn / shàng / liàn xí / lǐ yú dǎ tǐng / què bǎo / dòng zuò / ān quán

教练先让初学者在软垫上练习鲤鱼打挺，确保动作安全。

The coach first had the beginners practice kip-ups on soft mats to ensure that the movement was safe.