記念

In a sentence

• 結婚記念日に旅行に行きました。

  We went on a trip on our wedding anniversary.

  Here, '記念' (kinen) is used in the context of 'anniversary', combined with '日' (day) into '記念日' (kinenbi), meaning 'commemorative day' or 'anniversary'.

• 記念写真を撮りましょう。

  Let's take a commemorative photo.

  In this sentence, '記念' refers to a keepsake or something intended to preserve a memory, combined with '写真' (photo) to form '記念写真' (kinen shashin), meaning 'commemorative photo'.

• この建物は戦争の記念として保存されています。

  This building is preserved as a memorial to the war.

  Here, '記念' is used in the sense of a memorial or something symbolic to remember an event, in this case, associated with '戦争' (war) to indicate its purpose.