YOU SAID:
Rowing a longboat will cause weakened immune systems
INTO JAPANESE
ロングボートを漕ぐと免疫力が低下する
BACK INTO ENGLISH
Rowing a longboat weakens the immune system
INTO JAPANESE
ロングボートを漕ぐと免疫システムが弱まる
BACK INTO ENGLISH
Rowing a longboat weakens the immune system
You should move to Japan!