The injury is related to specific sport peculiarity and length of exercitation.损伤发生与其专项运动特点及训练周期较长等因素有密切的关系....

exercitation的音标：exercitation的英式发音音标为：[egˌzɜ:sɪ'teɪʃən]exercitation的美式发音音标为：[ɪgˌzɜsɪ'teɪʃən]...

n.实习，训练，练习...