"Welcome to the world of science!"  When Yatori was 9 years old, she was sent to study with the general Bada Sankrein, and met a young boy her age, Ikta.  The world he shows her is new and exciting, like nothing she's ever seen.
The two of you have been doing
 nothing but military exercises lately.
لم تكونا تؤدّيان سوى التّمارين العسكريّة مؤخّراً
Ihr beide habt in
letzter Zeit nur trainiert.
No han hecho
más que ejercicios militares.
No habéis hecho más
que ejercicios militares.
Vous enchaîniez les exercices militaires
depuis un moment.
Ultimamente siete sempre stati impegnati 
coi vostri esercizi militari.
Vocês dois andam fazendo 
apenas exercícios militares,
Вы в последнее время
 только и делаете, что тренируетесь.