Senku and the kingdom are going to need rations to be well during their attack on Tsukasa’s empire. There’s a science for that.
Shouldn't we get moving? It's going to be 
spring soon, and they'll come knocking.
.ألا ينبغي لنا التحرك بسرعة؟ سيحلّ الربيع قريبًا، وسيأتون إلينا
Wenn wir uns nicht sputen,
bricht der Frühling herein und sie greifen uns an.
Si no partimos pronto,
llegará la primavera y nos atacará.
Si no vamos pronto,
llegará la primavera y nos atacará.
Si on ne part pas vite, le printemps
va arriver et son armée aussi.
ma se non ci sbrighiamo a partire,
arriverà la primavera e sarà lui ad attaccare noi, no?
Não devíamos partir em breve? Quando a 
primavera chegar, eles virão atacando com tudo.
но скоро уже весна, а мы сидим на месте.
Вдруг он придёт первым?