After learning the truth about Chris, Sawamura follows him around to get him to teach Sawamura baseball. Chris finally gives in to Sawamura's persistence and decides catch his pitches. The pitch Sawamura decides to throw is the fastest pitch he can. But in response, Chris asks, "What is your specialty?" Sawamura can't throw breaking balls or amazing fastballs. What kind of pitch should he throw? He asks around his teammates for help, and he arrives at an answer.
You should do those menus 
interchangeably twice a week.
Du solltest diese Trainingseinheiten
 abwechselnd zwei Mal die Woche machen.
Deberías intercambiar esos menús 
dos veces a la semana cada uno.
Deberías intercambiar esos menús 
dos veces a la semana cada uno.
Alterne ces deux exercices 
deux fois par semaine.
Você precisa intercalar essas
séries duas vezes por semana.