環

In a sentence

• このマンションの周りには環がいくつか作られています。

  There are several circles formed around this apartment building.

  Here, '環' (kan) refers to a physical or metaphorical circular shape or ring.

• 家族という環の中で、互いに支え合っています。

  Within the circle of family, we support each other.

  In this context, '環' (kan) symbolizes the close, supportive relationships among family members.

• 自然環境を守ることは私たち全員の責任です。

  Protecting the natural environment is the responsibility of all of us.

  Here, '環' is used in '環境' (kankyō), which means 'environment,' showing its application in compound words to denote surroundings or context.