Title: Wa yong ji shu yu lian xi
Description: Ben shu zhu yao jie shao wa yong de ji shu, xue wa yong de lian xi fang fa yi ji ru he cai neng you de yuan, you de kuai ; hai jie shao le wa yong de chu fa, zhuan shen ji shu he wa yong de fa zhan gai kuang, bi sai gui ze, deng ji biao zhun, you xiu yun dong yuan yi ji you guan qu wen.
Subjects: Swimming, Breaststroke