up and down   (TTS Sound)

The up_and_down has 2 Senses.

• up and down
• 行ったり来たり
• moving backward and forward along a given course; "he walked up and down the locker room"; "all up and down the Eastern seaboard"
• 特定の進路を行ったり来たりする

• up and down
• 上がったり下がったり, 上下に
• alternately upward and downward; "he eyed him up and down"
• 交互に上方と下方へ