熟語JLPT-N1
infiltration
入 にゅう
記入entry収入income入院hospitalization入学entry to school or university入場entrance輸入importation四捨五入rounding up (fractions)侵入penetration入社entry to a company介入intervention加入becoming a member購入purchase新入生freshman潜入infiltration投入throw導入introduction入手obtaining入賞winning a prize or place (in a contest)入浴bathe納入payment