通つう年ねん

noun, noun which may take the genitive case particle 'no'

all year; year-round

Used for something that continues or applies throughout the entire year, often in business, climate, or scheduling contexts.

• この施し設せつは通つう年ねん利り用ようできます。

  This facility can be used year-round.

• 通つう年ねんの気き温おんは比ひ較かく的てき安あん定ていしている