大多数人不喜欢从事游泳技术工作，你平时游泳喜欢什么类型，集约？耐力？技术？踢在背上，双臂仰泳，背部蛙泳。首先，学会在反蛙泳，然后，开始学习游泳自由泳。
in this video,most people do not like working on technique .what type of training sessions do you swim?
intensive,endurance,technique.
kicking on the back
double arm backstroke
breaststroke on the back
first,learn to swim on the back
then,start learning to swim freestyle
