three times three
（ばんざい三唱などの）３度の繰り返し
Three to the fourth (power) is 81.
３の４乗は８１
three wars within a year
１年以内に３回の戦争
three widths of cloth
３幅の布
three years [days, weeks] afterward
３年［日，週間］後
Three years have passed since I left Japan.
私が日本をたって３年が過ぎた
Three years went past.
３年が過ぎた
three years' experience in business
３年間の実務経験
three-dimensional
三次元の（略3D）
three-fortieths
４０分の３
