大多數人不喜歡從事游泳技術工作，你平時游泳喜歡什麼類型，集約？耐力？技術？踢在背上，雙臂仰泳，背部蛙泳。首先，學會在反蛙泳，然後，開始學習游泳自由泳。
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
