二間 is read as ふたま (futama) and means two rooms.
ふたま
futama
にじゅうよじかんせい
around-the-clock system
にこくかんしゅぎ
bilateralism
にこくかんそうごしゅぎ
に
two
ふたり
two persons
はつか
20 days
にじゅう
twenty
ふたつ
ふたなぬか
second week's memorial services
にがつ
February
にひゃく
200
ふつか
2nd day of the month