掃除当番

Meaning

1. n
   one's turn for doing the sweeping (cleaning)

Example sentences

• 僕が部屋の掃除当番だったんだ。

  It was my turn to clean the room.

• 今日は私が掃除当番なので、教室を綺麗にしなければなりません。

  Today I'm on cleaning duty, so I have to clean the classroom.